Lumex Instruments Group

Applications

  • Monitoring of mercury in ambient air - Environmental

    Monitoring of mercury in ambient air

    Mercury, being widespread in environment, has toxic effect on a human organism even at a low concentration. Therefore, quantitativ e determination of mercury in vari ous environments is one of the most important environmental monitoring problems. The use of a mercury analyzer RA-915M/RA-915+/RA- 915Light with Zeeman background correction provides di rect real-time continuous determination of mercury in air from 0.5 ng/m 3 within the overall possible range of me rcury concentration in ambient air.

  • Determination of vanillin, sinapic, coniferyl, and syringic aldehydes in brandies and brandy spirits - Food and Beverage - Beverage

    Determination of vanillin, sinapic, coniferyl, and syringic aldehydes in brandies and brandy spirits

    The presence or absence of aromatic aldehydes (vanillin, sinapic, coniferyl and syringic aldehydes) in a sample and also their weight content and proportion allows determination of authenticity and quality of brandies and brandy spirits, and revealing a counterfeit. Together with aromatic aldehydes, it is possible to determine phenolcarbolic acids, such as sinapic, syringic, ferulic, salicylic, cumaric, vanillic, ellagic, p-hydroxybenzoic, caffeic, gallic, protocatechuic. Identification and weight content of...

  • Determination of bitter iso- alpha-acids and alpha- and beta-hop acids in beer - Food and Beverage - Beverage

    Determination of bitter iso- alpha-acids and alpha- and beta-hop acids in beer

    It is important to quantify α- and β-hop acids (humulons and lupulons) as well as bitter iso- α-acids (isohumulons) on the all stages of beer production. Hop acids are the biochemical markers of a certain hop type. Bitter iso- α-acids stabilize the beer foam, suppress the growth of undesirable microorganisms and give the beer its bitter taste. 

  • Determination of inorganic cations in drinks - Food and Beverage - Food

    Determination of inorganic cations in drinks

    The method enables fast determination of inorganic cations (sodium, potassium, calcium, and magnesium) in the samples of juices, beer, wines, brandies, brandy alcohols, and raw materials by capillary electrophoresis. 

  • Determination of D- and L-isomers of tartaric and malic acids in wines, wine materials,  and food additive - Food and Beverage

    Determination of D- and L-isomers of tartaric and malic acids in wines, wine materials, and food additive

    Naturally occurred is predominantly L-form of tartaric acid whereas its D-form and the relevant racemic mixture can be artificially synthesized. Generally, artificial acidification of wine with tartaric acid is allowed by OIV, but only pure L-form must be used for this purpose. Thus the analysis of tartaric acid isomers either in food additives or directly in wine can be an important parameter in clarifying any deviations in wine production. Analysis of isomers of malic acid is also within the necessary...

  • Determination of total sulfur dioxide in wine and beer - Food and Beverage - Beverage

    Determination of total sulfur dioxide in wine and beer

    Method allows determination of mass concentration of total sulfur dioxide (sulfurous acid and its salts, food additives E220–E228) in wine, wine materials, beer and beer products by capillary electrophoresis (CE) using capillary electrophoresis system “CAPEL® -105M”. The mass concentration of total sulfur dioxide is regulated by normative documents to be held within 100– 400 mg/L for different types of wine and wine materials and within 20–50 mg/L for beer products. According...

  • Determination of heavy metals in food - Food and Beverage - Food

    Determination of heavy metals in food

    This analytical procedure is intended for measuring the content of the elements (cadmium, lead, arsenic, tin, chromium and mercury) in the samples of food products by atomic absorption spectrometry with electrothermal atomization using an “MGA-915M” Graphite Furnace AA Spectrometer.

    The method is based on measuring resonance radiation absorption that occurs when the radiation passes through a layer of atomic vapor in the electrically heated graphite furnace of the “MGA-915M” AA...

  • Determination of cations in beverages - Food and Beverage - Beverage

    Determination of cations in beverages

    The method enables fast determination of inorganic cations (sodium, potassium, calcium, and magnesium) in the samples of juices, beer, wines, brandies, brandy alcohols, and raw materials by capillary electrophoresis. 

    The method for evaluation of cations concentration is based on differential migration and separation of cations in electric field due to the difference in their electrophoretic mobility. Identification and quantitative determination of the analyzed cations is performed by indirect...

  • Determination of amino acids in beer and wort by capillary electrophoresis - Monitoring and Testing

    Determination of amino acids in beer and wort by capillary electrophoresis

    Free forms of amino acids in beer originate mostly from malt. The following method enables fast quantitative determination in beer and wort of the following free amino acids: arginine, lysine, tyrosine, phenylalanine, histidine, leucine and iso-leucine (total), methionine, valine, proline, alanine, glycine, cystine, tryptophan, aspartic and glutamic acids. Total content of amino acids is fdetermined after hydrolysis of proteins. 

  • Determination of organic acids in beverages - Food and Beverage - Beverage

    Determination of organic acids in beverages

    The method allows determination of organic acids, in soft drinks (juices, fizz drinks) and alcoholic drinks (wines, beer). 

    The capillary electrophoresis method for evaluation of cations concentration is based on differential migration and separation of cations in electric field due to the difference in their electrophoretic mobility. Identification and quantitative determination of the analyzed cations is performed by indirect detection measuring UV absorption at 254 nm (for “CAPEL®...

  • Determination of dyes in beverages - Food and Beverage - Beverage

    Determination of dyes in beverages

    The method allows identification and determination of synthetic dyes in samples of soft and alcoholic drinks by capillary electrophoresis.

    The Capillary Electrophoresis (CE) method for the determination of synthetic dyes is based on their differential migration in a narrow quartz capillary under the influence of the applied electric field. Identification and quantitative determination of dyes is performed by measuring the UV absorbance at 254 nm (for “CAPEL® -103РТ/104Т”...

  • Determination of preservatives (benzoic, sorbic acids and their salts) and sweeteners  (acesulfame K, saccharine and its salts) in food products and raw materials, and dietary  supplements - Monitoring and Testing

    Determination of preservatives (benzoic, sorbic acids and their salts) and sweeteners (acesulfame K, saccharine and its salts) in food products and raw materials, and dietary supplements

    Various food additives – preservatives (benzoic acid, sorbic acid, and their salts), sweeteners (Acesulfame K, saccharine and its salts) and others are widely used in food industry for the improvement of food products properties and extension of storage life. The amount of these additives in food products is regulated by technical instructions and other norms. 

  • Quality control of oilseeds and pressed oil - Monitoring and Testing

    Quality control of oilseeds and pressed oil

    For the manufacturers of edible oils it is very important to control the crushing process at all the stages to achieve the best cost efficiency. In order to provide maximum yield and meet the product specifications it is necessary to monitor process as closely and rapidly as possible. Rapid determination of the key parameters with the use of InfraLUM® NIR analyzers provides the opportunity to control the process at every stage from quality control of oilseeds at intake point to the QC of the final product...

  • Milling process control - Monitoring and Testing

    Milling process control

    NIR-analyzer InfraLUM FT-12 is used for quality control of flour and by-products at all milling stages.

    With InfraLUM FT-12 analyser is possible to create, localize, and update calibration models. Installation and calibration using Customer’s samples are made at the Customer’s lab. 

  • Direct determination of mercury content in ambient air - Air and Climate

    Direct determination of mercury content in ambient air

    Introduction

    Mercury, being widespread in environment, has toxic effect on a human organism even at a low concentration. Therefore, quantitativ e determination of mercury in vari ous environments is one of the most important environmental monitoring problems.

  • Direct mercury determination in coal - Mining - Coal Mining

    Direct mercury determination in coal

    Introduction

    Mercury is one of the most toxic trace contaminant naturally occurring in the coals. During the coal combustion process at the coal-fired power plants mercury is released into the environment. To manage effectively the stack gas cleaning process, it is necessary to know the mercury content in the coal, and also in stack gas, liquid and solid wastes.

  • Determination of fatty acid methyl ester (FAME) content in diesel fuel or domestic heating fuel by mid-IR spectroscopy - Soil and Groundwater

    Determination of fatty acid methyl ester (FAME) content in diesel fuel or domestic heating fuel by mid-IR spectroscopy

    Introduction

    Presence of fatty acid methyl esters (FAME) in diesel fuel or domestic heating fuel (both hereinafter referred to as diesel fuel) is a signal of blending with biodiesel. The control of FAME content in diesel fuel is an essential and actual task because of the need of the right fuel identification and registration of possible FAME impact on engines and fuel systems. To control the compliance one of the most accurate, rapid and simple methods is EN 14078:2014.

  • Determination of the chemical oxygen demand (COD) in water - Water and Wastewater

    Determination of the chemical oxygen demand (COD) in water

    Introduction

    Chemical Oxygen Demand (COD) is one of the most common integral indicators of anthropogenic pollution of water bodies. COD is widely used in the analysis of natural water, to control wastewater treatment from organic various substances.

  • Phosphorimetric determination of uranium in water - Water and Wastewater - Water Monitoring and Testing

    Phosphorimetric determination of uranium in water

    Introduction

    The presence of uranium in water causes radiological pollution as all uranium radionuclides decay by both alpha and gamma emissions. Chemical aspects of uranium toxicity include mainly nephritis and other renal diseases. Mentioned harmful features affect on humans even in low concentrations thus requiring sensitive analysis methods.

  • Mercury determination in natural, surface, sea, drinking, bottled, mineral, and waste water by cvaas - Water and Wastewater - Drinking Water

    Mercury determination in natural, surface, sea, drinking, bottled, mineral, and waste water by cvaas

    Introduction

    Mercury determination in natural, drinking, and waste waters is one of the most popular analyses used for environment pollution and sanitary control. Background concentrations of mercury in natural water are within several ng/l. Maximum national permissible levels for mercury in water lie in the range of 0.16–6 µg/l. For example, the following limits for mercury in drinking water are set, µg/l:
    0.5 – Japan, Russia;
    1 – Argentina,...

  • Determination of inorganic cations in water samples - Water and Wastewater

    Determination of inorganic cations in water samples

    Introduction

    The method allows determination of ammonium, lithium, sodium, potassium, magnesium, calcium, strontium and barium cations in samples of natural, potable, and waste water by the capillary electrophoresis method.

  • Determination of chlorate, perchlorate, and chlorite ions in drinking water including bottled water - Water and Wastewater - Drinking Water

    Determination of chlorate, perchlorate, and chlorite ions in drinking water including bottled water

    Introduction

    Chlorination remains the most widespread way of disinfecting water in the world. Its flaws are: high toxicity of chlorine and other chlorinating reagents, also formation of various chlorine-containing compounds, including chlorite-, chlorate, and perchlorate anions. Maximum permitted levels (MPL) of these components are established in WHO Guidelines for drinking water and other regional and national regulations.

  • Determination of inorganic anions in water samples - Water and Wastewater

    Determination of inorganic anions in water samples

    Introduction

    The method allows determination of inorganic anions (chloride, nitrite, sulfate, nitrate, fluoride, and phosphate as soluble ortho-phosphate) in samples of natural, potable, and cleaned waste water.

  • Determination of Anions in Beverage - Food and Beverage - Beverage

    Determination of Anions in Beverage

    Introduction

    The method is used for the determination of the mass concentration of chloride, sulfate, and nitrate in beverages by capillary electrophoresis. The method can be applied for all types of non-alcoholic and alcoholic beverages including sport and energetic drinks, juices, beer and beer products, wines, brandy and spirits, liquors, and vodka.

  • Determination of the mercury concentration in naphtha

    Determination of the mercury concentration in naphtha

    Introduction

    The mercury concentration in crude oil and petroleum products can vary in a wide range of less than 0.1 ppb to dozens ppm. Direct mercury determination in crude oil and petroleum products at the range above 5 ppb is covered by ASTM D7622-10(2015) "Standard test method for total mercury in crude oil using combustion and direct cold vapor atomic absorption method with Zeeman background correction". Mercury determination in naphtha and light petroleum products (condensate,...

  • Direct atomic absorption mercury determination in oil and oil products - Food and Beverage

    Direct atomic absorption mercury determination in oil and oil products

    Introduction

    Determination of mercury in oil and petroleum hydrocarbon is currently a vital probl em due to the fact that the regulations for the mercury content in emission s from thermal power plants are becoming ever more stringent, and mercury poisons catalysts used in oil re fining.

  • Determination of benzene in gasoline - Oil, Gas & Refineries

    Determination of benzene in gasoline

    Introduction

    Benzene is formed in gasoline in the process of oil refining and gasoline production. Determination of benzene in gasoline is an important task, because ben zene and its products reacting with the products of incomplete combustion of gasoline are highly toxic. Moreover, the presence of benzene increases fouling that eventually may damage the engine . Therefore, regulations impose lim it on the content of benzene in gasoline in many countries, and international standards...

  • Mercury determination in natural gas - Oil, Gas & Refineries - Gas

    Mercury determination in natural gas

    Introduction

    The natural gas is a significant source of ingres s of mercury in the environment. The typical mercury concentration in natural gas may vary from 0.01 to 200 μ g/m3 . Mercury, being present in hydrocarbon gas, initiates corrosion of pipelines and catalyst poiso ning during gas transportation and processing, and these effects have serious implications for the gas-processing industry.

  • Identification of drugs and medicines - Health Care

    Identification of drugs and medicines

    INTRODUCTION

    At present, pharmacology, being an integral part of medical science, shows rapid development resulting in the discovery of ever growing number of new drugs and medicines. Hence, quality control and identification of drugs acquires vital importance as the number of counterfeited products inconsistent with Pharmacopoeia concurrently increases with the introduction of new numerous drugs. Identification of the drugs is necessary to reject the products that not only lack the...

  • Direct AA Mercury determination in cosmetics - Manufacturing, Other

    Direct AA Mercury determination in cosmetics

    INTRODUCTION

    High mercury concentration can be found in such cosmetic products as skin lightening soaps and creams, makeup cleansing products, and mascara.

    Mercury in cosmetics exists as inorganic and organic compounds. Inorganic mercury (e.g. ammoniated mercury) is used in skin lightening soaps and creams. Organic mercury compounds, such as thiomersal, are used as cosmetic preservatives in makeup cleansing products and mascara.

  • Direct atomic absorption mercury determination in tissues and biological samples - Environmental

    Direct atomic absorption mercury determination in tissues and biological samples

    INTRODUCTION

    Mercury and its compounds are highly toxic substances fo r humans. It occurs naturally and exists in various forms: elemental (or metallic); inorganic (e.g. mercuric chloride); and organic (e.g., methyl- and ethylmercury). These forms all have different toxicities and implications for health. Among naturally occurring mercury compounds, methylme rcury exerts a significant influence (neurotoxic action) on human health.

  • Determination of amino acids in beer and wort - Food and Beverage - Beverage

    Determination of amino acids in beer and wort

    INTRODUCTION

    Free forms of amino acids in beer originate mostly from malt. The following method enables fast quantitative determination in beer and wort of the following free amino acids: arginine, lysine, tyrosine, phenylalanine, histidine, leucine and iso-leucine (total), methionine, valine, proline, alanine, glycine, cystine, tryptophan, aspartic and glutamic acids. Total content of amino acids is fdetermined after hydrolysis of proteins.

  • Determination of total mercury content in blood by cvaas - Health Care

    Determination of total mercury content in blood by cvaas

    INTRODUCTION

    Blood is one of the most complex substances for determination of the Hg content. At the same time, blood is the most important diagnostic medium used for monitoring the effect of Hg vapor on the human organism. In almost all the countries, personnel of mercury-involving production facilities are regularly examined for the Hg content in blood, which should not exceed 20–50 µg/l, whereas in the case of a person unexposed to mercury vapor the blood normally...

  • Determination of a total mercury content in urine - Health Care

    Determination of a total mercury content in urine

    INTRODUCTION

    The main way of mercury removal from human body is it s urinary excretion, which is an important diagnostic medium for screening examination of population, risk group determination, and diagnostics and treatment of mercury poisoning.

  • Determination of water-soluble forms of inorganic cations in soils, clays, peat, wastewater silt, activated sludge, and bottom sediments - Soil and Groundwater

    Determination of water-soluble forms of inorganic cations in soils, clays, peat, wastewater silt, activated sludge, and bottom sediments

    INTRODUCTION

    The content of water-soluble forms of inorganic cations (ammonium, potassium, calcium, sodium, magnesium) is one of the substantial characteristics in agrochemical, land reclamation, and sanitary assessments of soils (arable, hayland, pasturable, forest nursery soils). The cation balance should be controlled during ecological soil monitoring for the human activity impact assessment.

  • Identification of rubber - Manufacturing, Other

    Identification of rubber

    INTRODUCTION

    Rubber is a material that is widely used in all kinds of human activity. Rubber properties are modified by addition of chemical substances and ingredients causing physical and chemical modifications. The ingredients modify rubber hardness, durability and impact st rength; increase its resistance to wearing, oils, oxygen, solvents, heat, and cracking, which makes rubber more suitable for the use in various application areas.

  • Determination of mercury in mercury-containing wastes - Waste and Recycling

    Determination of mercury in mercury-containing wastes

    INTRODUCTION

    Mercury is widely used in chemical industry, electronic s, electric engineering, instrument making, medicine, pesticide and explosives production, etc. A number of techniques and equipment are developed for reclaiming mercury-containing waste, such as soil, sludge, stillage botto ms, slime sediments, fluorescent lamps, mercury-containing batteries.

  • DETERMINATION OF FATTY ACID METHYL ESTER (FAME) CONTENT IN DIESEL FUEL OR DOMESTIC HEATING FUEL BY MID-IR SPECTROSCOPY - Oil, Gas & Refineries

    DETERMINATION OF FATTY ACID METHYL ESTER (FAME) CONTENT IN DIESEL FUEL OR DOMESTIC HEATING FUEL BY MID-IR SPECTROSCOPY

    Presence of fatty acid methyl esters (FAME) in diesel fuel or domestic heating fuel (both hereinafter referred to as diesel fuel) is a signal of blending with biodiesel. The control of FAME content in diesel fuel is an essential and actual task because of the need of the right fuel identification and registration of possible FAME impact on engines and fuel systems. To control the compliance one of the most accurate, rapid and simple methods is EN 14078:2014. Lumex Instruments provides user-friendly analytical...

  • DETERMINATION OF TOTAL PETROLEUM HYDROCARBONS (TPH) IN WATER BY FLUORIMETRIC METHOD - Water and Wastewater

    DETERMINATION OF TOTAL PETROLEUM HYDROCARBONS (TPH) IN WATER BY FLUORIMETRIC METHOD

    Total petroleum hydrocarbons (TPH) is a term used to describe a large family of several hundred chemical compounds that originally come from crude oil; the main and most specific part of these compounds are non-polar and slightly polar hydrocarbons of the aliphatic, aromatic and alicyclic structure. These compounds are harmful to humans and animals if absorbed through the skin, ingested, and inhaled thus claiming the analytical control of THP content in water as a global issue. Quantification of TPH in water is...

  • RAPID ANALYSIS OF TOTAL MERCURY IN WASTE WATERS AND PROCESS WATERS WITH ELEVATED MERCURY CONTENT USING DIRECT PYROLYSIS TECHNIQUE - Water and Wastewater

    RAPID ANALYSIS OF TOTAL MERCURY IN WASTE WATERS AND PROCESS WATERS WITH ELEVATED MERCURY CONTENT USING DIRECT PYROLYSIS TECHNIQUE

    A conventional standard method of total mercury determination in water using atomic absorption spectrometry (AAS) involves preliminary sample digestion that takes from 30 minutes to 8 hours depending on the digestion conditions. The use of a mercury analyzer RA-915M/RA-915+ with Zeeman background correction in combination with PYRO-915+ pyrolysis attachment provides direct determination of mercury in process and waste waters contaminated with mercury without digestion or any other sample preparation stages. The...

  • Determination of anionic surfactants in water by fluorimetric method - Water and Wastewater

    Determination of anionic surfactants in water by fluorimetric method

    Anionic surfactants (A-SAS) represent, by volume, the most important group of surfactants used in cleaning products and the oldest and the largest volume anionic surfactant is soap. In concentrations 0.1 ~ 1.0 mg/L A-SAS become toxic for aquatic environment. Lumex Instruments provides sensitive and selective fluorimetric method for the measurement of mass concentration of anionic surfactants in water samples using the FLUORAT-02 analyzer. The method became the Interstate standard for anionic surfactant in water...

  • Determination of zinc in water by fluorimetric method - Water and Wastewater

    Determination of zinc in water by fluorimetric method

    In accordance with WHO’s Guidelines for Drinking Water Quality there is no health-based guideline value of zinc in water concentration. Concentration of zinc in tap water can increase as a result of its dissolution from pipes. Also, elevated levels of zinc may be an indicator of increased concentrations of other toxic metals; thereby zinc in water analysis is an essential analytical task. Lumex Instruments provides sensitive and selective fluorimetric method for the measurement of mass concentration of zinc in...

  • Determination of aluminium in water by fluorimetric method - Water and Wastewater

    Determination of aluminium in water by fluorimetric method

    Aluminium is the most abundant metallic element and its salts are widely used as a coagulation treatment agent. At the same time increased levels of aluminium may lead to renal diseases and cause undesirable color and turbidity of distributed water. There are practicable levels of aluminium in water based on optimization of the coagulation process at drinking-water plants: 0.1 mg/L or less for large water-treatment facilities and 0.2 mg/L or less for small. Lumex Instruments provides accurate and selective...