sample grinding News

  • Precautions of Centerless Type CNC Internal Grinding Machine

    1: Check the machine before starting the surrounding conditions, machine table can not be placed items and work things place neatly. 2: Check the box before starting berth mooring is normal, cooling water tank level, Whether it is normal to support blade gap with wheel and guide wheel, check it working material or debris in the machine. 3: Check before starting switch is ...

  • Precautions of Centerless Type CNC Internal Grinding Machine

    1: Check the machine before starting the surrounding conditions, machine table can not be placed items and work things place neatly. 2: Check the box before starting berth mooring is normal, cooling water tank level, Whether it is normal to support blade gap with wheel and guide wheel, check it working material or debris in the machine. 3: Check before starting switch is ...


  • Testing PET preforms for consumer safety

    The CryoMill is the ideal tool to grind PET preforms quickly and reproducibly down to sizes of 100 microns and less for subsequent testing on formaldehyde. Formaldehyde is a chemical widely used in the industrial production of materials like plastics, for the processing of fabrics or to preserve biological materials. However, formaldehyde is considered by many standards to be a health hazard. It ...

  • Test food with the Quest ATR

    The Quest ATR can test for various food types without affecting the sample. Water, fat, proteins and carbohydrates are just some of the components of food that can affect taste, consistency and healthiness. Particularly when preparing food in bulk or using ingredients procured from an unknown source, quality checking is an important step for safety in food consumption. ...


    By Specac Limited

  • Precellys Evolution, the Super Homogenizer

    Bertin Technologies is well known for its Precellys brand of tissue homogenizers, which has a ten years history. We are pleased to announce the launch of a new instrument, the Precellys Evolution, which provides superior performance in speed, volume flexibility, robustness and efficiency. The Precellys instruments have thousands of references that attest to their ability to grind or lyse any type ...

  • Test paint in any way you like with the Quest ATR

    The spectral value of paint can be quickly and accurately measured with the Quest ATR. Paint production requires stringent quality control. From viscosity to dispersion and even fire-resistance, paint is tested thoroughly to ensure it meets the trademark quality of its producer. Spectral analysis is used in some of the most important steps of this quality control. With ...


    By Specac Limited

  • ASTM D409 / D409M - 11a Standard Test Method for Grindability of Coal by the Hardgrove-Machine Method

    This test method develops a measurement of grinding or pulverizing characteristics that can be used to evaluate the yield, or energy input, or both, required in a grinding or pulverizing process, which can impact a wide variety of processes, including combustion, coke-making, liquefaction, and gasification. 1. Scope 1.1 This test method covers the determination ...


    By ASTM International

  • ASTM D409 / D409M - 11ae1 Standard Test Method for Grindability of Coal by the Hardgrove-Machine Method

    This test method develops a measurement of grinding or pulverizing characteristics that can be used to evaluate the yield, or energy input, or both, required in a grinding or pulverizing process, which can impact a wide variety of processes, including combustion, coke-making, liquefaction, and gasification. 1. Scope 1.1 This test method covers the determination ...


    By ASTM International

  • Online resource for accurate melting point determination in chemical laboratories now available

    METTLER TOLEDO has launched a new online resource for chemical industry laboratories that focuses on features and benefits of the company’s technology solutions which includes a free downloadable tips and tricks booklet at atwww.mt.com/ChemLab Melting Point Determination is a common task in chemical laboratories to test the purity and characteristics of substancesThe melting point is ...


    By Mettler - Toledo Int. Inc

  • Alaska seafood processors settle with EPA for Clean Water Act waste discharge violations

    Two seafood processors operating in Alaskan waters failed to comply with Clean Water Act permits that regulate seafood waste discharges, according to settlement agreements with the U.S. Environmental Protection Agency. Aleutian Leader Fisheries and Salamatof Seafoods agreed to settle the violations with EPA in separate agreements and pay fines. “Clean Water Act permits protect ...

  • Test leather without pellets using the Quest ATR

    The Specac Quest ATR can provide easy testing for harmful chromate in leather. Through extensive contact with the skin, chromium can be toxic and cause contact allergic dermatitis, as well as triggering other diseases. This effect is most common when chromium is found in the salt form. Yet this substance is still used in parts of the ...


    By Specac Limited

  • Stedman`s Grand Slam™ Model 3030H Impactor Reduces Plastic Molded Parts

    Aurora, IN - The Grand Slam™ Model 3030H from Stedman efficiently reduces large pieces of rejected plastic molded parts to an ideal feed size for the granulator. After the granulator, material is then ready to be recycled and re-melted. Originally the large pieces of plastics were sized for the granulator by a band saw. The Model 3030H handles feed sizes up to 25” x 18” x 9” and features an ...


    By Stedman

  • PANalytical spectrometers support compliance with RoHS, WEEE, ELV and other environmental legislations

    Almelo, the Netherlands, February 2007. PANalytical’s comprehensive range of XRF systems and reference standards enable industry to meet the challenges set by the new EU RoHS and WEEE directives and to monitor levels of regulated substances covered by other important environmental legislation such as ELV (End-of-Life Vehicles directive) and the EU packaging directive (EPD) as well as emerging ...


    By PANalytical

  • New Workplace Crystalline Silica Requirements Begin this Month

    Silica is a part of the environment, commonly occurring in most soils. Chronic exposure to respirable crystalline silica particulates has long been known to cause restrictive lung disease and complications that can lead to cancer.  Worker exposures to airborne crystalline silica are tightly restricted by California’s Occupational Safety and Health Administration (Cal/OSHA). Federal ...


    By Clark Seif Clark Inc.

  • EPA settles with four Alaska seafood processors for Clean Water Act violations

    Four seafood processing vessels operating in federal waters off the coast of Alaska failed to comply with federal Clean Water Act permits regulating their seafood waste discharges, according to settlement agreements with the U.S. Environmental Protection Agency. Aleutian Spray Fisheries, Inc., United States Seafoods, LLC and Ocean Peace Inc. agreed to settle the violations with the EPA in ...

  • Prevent botulism with the Pearl or Quest

    Clostridium botulinum is the germ that produces the toxin Botulism, which often occurs in canned, preserved or femernted foods, due to the lack of oxygen. Symptoms include: difficulty swallowing  dry mouth slurred speech weak ...


    By Specac Limited

  • Hand-held FTIR analyzers — a new capability for at-site measurements of rock and minerals — use of FTIR for elucidating rock and mineral composition

    A2 Technologies' Exoscan hand-held FTIR (Figure 1) is increasingly being used by researchers involved in the geosciences for analysis of rocks, minerals, and soil for a broad variety of applications. The reason for this acceptance is that the Exoscan system, equipped with diffuse reflectance sampling interface, can be used equally effectively in the laboratory or field locales to provide ...


  • OSHA Proposes New Rule Aimed at Lowering Worker Exposure to Crystalline Silica

    Last month, the Occupational Safety and Health Administration (OSHA) announced a proposed rule aimed at curbing lung cancer, silicosis, chronic obstructive pulmonary disease and kidney disease in America's workforce. The new proposal aims to lower worker exposure to crystalline silica. Crystalline silica is a component of soil, sand, granite and other minerals.  Quartz, ...

  • OSHA Issues Final Crystalline Silica Rule to Protect Workers from Exposure Risks

    In March, the Occupational Safety and Health Administration (OSHA) issued a final rule to further protect workers from respirable crystalline silica dust. The agency states it will reduce lung cancer, silicosis, chronic obstructive pulmonary disease and kidney disease in workers by limiting their exposure. According to OSHA, approximately 2.3 million workers are exposed to respirable ...

  • Finding alternatives to mercury in small-scale gold mining

    Artisanal small-scale gold mining (ASM), largely practised in Asia, South America and Africa, contributes significantly to mercury emissions, both in the developing world and globally. A recent study investigates an alternative to using mercury in ASM. The EU Mercury Strategy1 recognises the need for global action to reduce mercury in the environment. This includes actions to help other countries ...

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