Welcome to ConsultingChemist.com

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Ceway Chemical Services

Technical Services

*Ceway Chemical Services provides VOC Testing (e.g., CARB 310 and EPA 24), Olive Oil Testing (Including polyphenols), Biodiesel Testing (steryl glucosides), phthalates, project support and customized chemical analysis, chemical consulting, and problem solving services to a broad range of customers from industry, university, government, private, and other service organizations. This includes work in materials chemistry, polymers, plastics, energy, organic and inorganic chemsitry, cosmetics, and pharmaceuticals. Over 30 years of university, industrial, private and public laboratory experience provides a rich background and contacts from which to draw. Methods development, customized instrumentation, research and development, or application of standard methodology to problems is what we do. Please contact us if you have any questions or if you wish to discuss a problem. Our goal is to provide you with complete satisfaction.

Wayne Britton, PhD

Facilities

Facilities include a testing laboratory where customized experiments can be set up to meet your specific requirements. We have the flexibility to modify and adapt systems to customer needs. The main laboratory includes a dry box for handling reactive chemicals such as metal hydrides, anhydrides, and other materials that require an oxygen and water free atmosphere. The large chemical hood provides a safe enclosure for handling reactive and volatile materials and conducting reactions and tests. Separate spaces for electronic instrumentation modification or construction and hardware development are also available, which are supported by a machine shop and construction area.

Equipment Equipment includes a Niclolet Nexus 470 Fourier transform infrared (FTIR) spectrometer with a Nicplan infrared microscope and a Midac FTIR fitted with a 10 meter gas cell. These instruments are used for analysis of gases, plastics, polymers, organic compounds, inorganic compounds, paints, and other materials. Analytical methods for quantification of compounds in gases or liquid products and samples have been developed. Unknown particles or components of systems may be identified using the infrared microscope. In continuous operation mode, the FTIR allows for temporal analysis of chemical reactions and processes, such as gas production in semiconductor manufacturing.

A Hewlet Packard 6890/5973 Gas Chromatograph Mass Spectrometer (GCMS) provides for analysis of samples and unknown materials. Complimentary to the FTIR system this offers the capability to determine unknown compounds at trace level in samples. Like the FTIR, the mass spectrometer generates a fingerprint that is unique to for each compound that allows construction of libraries that can be searched to identify unknown compounds.

Other equipment and techniques: gas chromatograph-FID, high performance liquid chromatography (HPLC), UV-Vis spectroscopy (UV-Vis), optical microscopy and photography, thermogravimetric analysis (TGA), differential scanning calorimetry (DSC), Karl Fisher Titration with oven processor, headspace gas chromatography mass spectrometry, 2D gas chromatography, etc.

Methods Methods for chemical and physical analysis of products, waste, materials, and other types of samples have been developed by many organizations and agencies. If a method is available for analysis of a sample, it should be applied when possible. This is not always possible for various reasons. Then one must either adapt a method to a given situation, or start from scratch. Here are some of the more important agencies or organizations that provide analytical testing methods. Links to some of these agencies are provided above under Useful Links.

Methods
NIOSH, Nat. Inst. Occup. Safety and Health
ASTM, Am. Society for Testing Materials
EPA, Environmental Protection Agency
USP, U.S. Pharmacopea
EP, European Pharmacopea
AOAC, American Oil Chemist Society
CARB, California Air Resources Board

Methods can be adapted to a particular problem when this is necessary or desired. Alternatively, new method development may be required. We are happy to provide a discussion of your poblem with recommendations and a quotation typically without charge.

Examples of Methods Developed and Applied

  • Flamible Limits of Varying Atmospheres, Pressure and Temperature
  • Contamination on Laser Rangefinder Mirror via MicroFTIR and GC-MS
  • Method for Analysis of Cosmetic Additive by FTIR
  • Expoxy Mixing Ratio by Partial Least Squares FTIR
  • Hydrogen Storage in Metal Hydrides via Sievert's Testing

 

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