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Leachate and Hydrolysate Content of Food Grade Polymers using Microwave Preparation with Non-Contact Temperature & Pressure Control
Food SAFETY is a primary concern for manufacturers and consumers World-wide. While there is always concern for the Food PRODUCT itself… from either Microbial or Chemical contamination… there is also a need to preserve Food for storage and ...

Jan. 1, 2006
Analysis of Organic plating Bath Additives and Chemicals by Isocratic HPLC
In today’s world, over 75% of all metal surfaces on manufactured metal “items” have some sort of plated finish on them. From highchromium steel car bumpers to zinc diecast toys to Silver-contact electronic components. While the primary composition ...

Jan. 1, 2006
Determination of Additives and Preservatives in Beverages by Isocratic HPLC
The Earth is 75% water, as are most life forms on Earth. People need to drink several quarts of water a day to live well, and most of us prefer to consume beverages other than water to satisfy our thirst. Soda (or Pop depending on your location) is ...

Jan. 1, 2006
Measurement of Explosive Residues from Munitions and Armaments by Isocratic HPLC
The government and the military have spent millions of dollars on making millions of tons of explosive materials. Most of these materials are warehoused in storage depots and often-present problems with leaking containers and contamination of the ...

Jan. 1, 2006 Gerald J. DeMenna, Ph.D.
The Universal Sampling Accessory
Infrared Spectroscopy (IR) is one of the most descriptive “tools” available to the analytical organic chemist both for qualitative identification and quantitative determination of single and mixed components. Classically, most samples have been ...

Jan. 1, 2006
Testing of Pharmaceutical & Cosmetic Raw Materials & Final Product Formulations for CODEX, USP/NF & BP Regulations
There are STANDARD Guidelines used to define the Identification and Purity of compounds used in Pharmaceutical and Cosmetic formulations, as well as the final Products. These protocols are described in great detail in the various Monographs of the ...

Jan. 1, 2006
Accurate Characterization of Polymers and Additives in Personal Care Products and Packaging by Fast-Scanning IR
You can’t buy anything today without a package. Think about it. Blister packs, cellowraps, shrink wraps, barrier bags, vapor films, UV-blocking films, heat-blocking films, tinted plastics, filled polymers, biodegradable bags, structural plastics, ...

Jan. 1, 2006 Gerald J. DeMenna
Rapid Field-Screening of Waste Oil/Solvent Drums with Horizontal ATR / Fast-Screening IR Spectroscopy
While the growth of technology and industry has given us a high standard of living, it has also given us a greater amount of waste products to deal with. A significant portion of the waste is either buried underground or stored in abandoned ...

Jan. 1, 2006 Gerald J. DeMenna
Accurate Determination of Film Thickness by Fast-Scanning IR
Semiconductor components are made primarily from surface-doped substrates of silicon, gallium arsenide, mercury-cadmium telluride, and other highly refractive metalloid materials. Special lenses and mirrors usually have a specific coating to impart ...

Jan. 1, 2006 Gerald J. DeMenna
A 5-minute Screening Method for Incoming Raw Materials in Pharmaceutical Manufacturing
Normal quality control procedures involve accepting a “lot” of a raw material from a supplier and then performing a series of tests to determine if the material is suitable for use in a manufacturing process. For the drug manufacturing ...

Jan. 1, 2006 Gerald J. DeMenna
The Rapid Determination of PROXIMATE Nutrients in Foodstuffs by Fast-Scanning Mid-IR
Measurement of basic nutritional components can be a time-consuming procedure with significant variances based on the skill of the analyst. The Standard Methods of Analysis of the AOAC define these tests and requirements in order to generate ...

Jan. 1, 2006 Gerald J. DeMenna
Evaluation of Priority Pollutant VOCs in Waste-Water and Solid Waste by EPA Method-624 Gas Chromatography
Processing waste discharges, manufacturing effluents and sewage would not normally have been a problem 50 years ago, but the advent of almost unchecked industrial growth the latter half of the last century has created the POTENTIAL for a wide ...

Jan. 1, 2006
Ultra-Sensitive Coal Tar Distillate Analysis by GC-PID
The distillation of Naphthenes and Coal Tars results in a complex array polynuclear aromatics, or which many do not show up in an analysis by GC-TCD or FID because they are at trace levels in the sample. In some cases these trace products are ...

Jan. 1, 2006 Kevin Attra
Differentiating Polychlorinated Biphenyls (PCB’s) by GC / FID / ECD
The analytical chemistry of PCB’s is rigorous, demanding the highest quality in sample preparation and analytical technique. Insufficient sample extraction and inappropriate methods of sample clean-up are the most common sources of error in PCB ...

Jan. 1, 2006
On-Site Analysis of Gasoline Range Organics (GRO) in Soil and Groundwater Using Field Portable Purge and Trap GC / FID / PID
Although leaking underground storage tanks account for the majority of gasoline contamination in soils and groundwater, other events such as accidents during product transportation or delivery are also significant. Spill clean-ups and tank ...

Jan. 1, 2006 Kevin Attra
Ambient Air Quality Analysis of Toxic Gases and Priority
The EPA regional offices who continuously monitor ambient air quality have determined that combustion by-products and automobile exhaust make up the largest source of air pollution throughout the U.S., with more severe conditions existing ...

Jan. 1, 2006
System Description for Monitoring Volatile Hydrocarbons
To help build a comprehensive Industrial Hygiene program, Buck Scientific introduces the IH910 vapor monitoring system utilizing our model 910 gas chromatograph and IH300 air sampling train. Designed to analyze hydrocarbons in air, such as ...

Jan. 1, 2006 Kevin Attra
Pesticide Analysis by GC / ECD / NPD & FID
Since 1963, when Rachel Carson published Silent Spring about the destructive power of synthetic chemicals, regulatory agencies in the U.S. have increasingly restricted the manufacture and use of pesticides. The goals of pesticide regulations ...

Jan. 1, 2006
Environmental Analysis of BTEX Compounds in Soil, Water and Sludge by GC / PID
Because of the widespread use and history of indiscriminate disposal practices of gasoline and fuel oils, their analysis in environmental samples is in high demand. Gasoline and diesel are both complex mixtures containing up to 400 individual ...

Jan. 1, 2006 Kevin Attra
Analysis of Natural Gas Products by GC / TCD / FID
The complex mixture of condensible hydrocarbons and permanent gases in a natural gas product has historically been separated on gas chromatographs equipped with dual columns and a switching valve. The light gases are separated from heavier ...

Jan. 1, 2006 Kevin Attra

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