analytical reference materials Videos
Preparation of a Spectrophotometer for the Calibration with Hellma Glass Filters Video
Hellma Analytics reference materials for UV/Vis spectroscopy meet internationally recognised standards and provide for highest process transparency. They ensure dependable examinations of the spectral resolution , the wavelength accuracy as well as the checking for stray light and photometric ...
Soil-Cell for EPA Method 3546 Semi-Volatile Organic Extractions Video
Environmental Express, known for its innovative products, has developed the Soil-Cell system for the extraction of semi-volatile organic compounds in soil samples. The Soil-Cell system meets the requirements of the Performance Based Measurement System established by the EPA and replaces microwave technology with a HotBlock and stainless steel Soil Extraction Cells. Analytical results of a CRM ...
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