Drinking Water Standards
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LaMarKa Chemical Company Ammonia Nitrogen Standard 1000 ppm as N
Ammonia Standard 1,000Ppm As N-Bottle Liter Plastic
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ERA WATERS CORP TOTAL CHLORINE
One 2 mL flame-sealed ampule yields up to 2 liters after dilution. Use with titrimetric or colorimetric methods.
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SPEX CERTIPREP LLC 3P WS MICROBIO QC SAMPLE
(NSI by Zeptometrix) Drinking Water Microbiology Qualitative 10 sample set QC sample, Ships Overnight only Monday - Thursday, Must store in freezer
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SPEX CERTIPREP LLC 3P TRACE METAL DRINKING H2O 250ML
(HPS by Zeptometrix) TRACE METAL DRINKING H2O 250ML
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SPEX CERTIPREP LLC 3P 29 Component Trace Metals in 2% HNO3 + Tr HF, 500 mL
(HPS by Zeptometrix) Trace Metals in Drinking Water with 29 Components in 2% HNO3 + Tr HF.
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AccuStandard, Inc HARDNESS STANDARD OF 100ML
Hardness Standard WC-HARD-10X-1 Water , tr Nitric acid 100 mL Concentration 1000 �g/mL Number of Components 1 CAS 471-34-1-THRD