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A mixture of NDMA and NDEA was used to prepare calibration curves ranging from 2.5-10 ug/L. According to reagent volume, the 10ml headspace crimp vial is the 

Our COD test kits measure the level of organic contamination in wastewater. CHEMetrics' leakproof reagent vials contain premeasured solutions of ...

Sep 9, 2020 Aijiren is a supplier specializing in the production of chromatographic consumables. Since 2007, the 10ml Headspace Glass Vial produced by ...

Dichromate reactor digestion reagents for fast, easy, safe determination of low-, mid-, and high-range C.O.D. levels in wastewater. Premeasured reagent is 

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Pre-filled with COD reagents, these digestion vials come in either EPA-approved or mercury-free versions for low-, standard-, and ultra-high-range analysis.

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