Standards, W, Standards
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Assurance® Grade Alternate Metals
SPEX CertiPrepAssurance® Mixed Multi-Element Standards for AA & ICP Standards may be diluted in the same matrix as specified; however, caution must be exercised in the choice of the source for your diluents. Diluting the matrix may cause some standards to precipitate. Also, an impure or unknown diluent turns…
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WS - Toxaphene (Total), Methods 505/508/525
NSI Lab SolutionsA 1.5 mL concentrate in Acetone for use with Methods 505/508/525. Formulated in the NELAC range of 2 - 20 ug/L. (Supplied in duplicate)
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WS - Nitrate, range 3-10 mg/L, 21 mL
NSI Lab SolutionsA 21 mL concentrate for determination of Nitrate. Formulated in the range of 3 - 10 mg/L. (Supplied in duplicate)
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Designed for use with all MPN and MF procedures. Sample supplied as a dehydrated Microgel-Flash ™ pellet in the range of 20 - 1000 CFU/MPN per 100 mL. Sterile hydration buffer included. Store in freezer. Supplied in duplicate so that you may evaluate 2
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WS - Perchlorate - Whole Volume, range 4.0-20 ug/L, 500 mL
NSI Lab SolutionsA 500 mL whole volume sample for determination of Perchlorate in an aqueous mixed common anion matrix with conductivity at 500 umhos/cm. Formulated in the range of 4.0 - 20 ug/L. (Supplied in duplicate)
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WS - Uranium, range 3-104 ug/L, 21 mL
NSI Lab SolutionsA 21 mL concentrate for determination of Uranium. Formulated in the range of 3 - 104 ug/L. (Supplied in duplicate)
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WS - Chlordane (Total), Methods 505/508/525
NSI Lab SolutionsA 1.5 mL concentrate in Acetone for use with Methods 505/508/525. Formulated in the NELAC range of 2 - 20 ug/L. (Supplied in duplicate)
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WS - Inorganic Disinfection By-Products, 5 mL
NSI Lab SolutionsA 2 x 5 mL concentrate set for determination of Bromate, Bromide, Chlorate, Chlorite. Each ampule produces 2 liters of sample. (Supplied in duplicate)
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WS - Standard Plate Count, Hydration Buffer included
NSI Lab SolutionsOne stabilized Microgel-Flash™ pellet containing a heterotrophic bacteria at 5-500mpn/cfu per mL. Sterile hydration buffer included. Supplied in duplicate so 2 analysts or 2 methods can be evaluated without purchasing addition samples.
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WS - Carbamate Pesticides, Method 531.1
NSI Lab SolutionsA 1.5 mL concentrate in Methanol for use with Method 531.1. (Supplied in duplicate)
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WS - Oxygenates, range of 5-50 ug/L, 1.5 mL
NSI Lab SolutionsA 1.5 mL concentrate in P/T Methanol for determination of ETBE, TAME, DIPE, trichlorotrifluoroethane, 1-Phenylpropane, and tert-Butyl alcohol. Formulated in the range of 5 - 50 ug/L. (Supplied in duplicate)
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WS - Mercury, NELAC range 0.5-10 ug/L, 21 mL
NSI Lab SolutionsA 21 mL concentrate for determination of Mercury. Formulated in the NELAC range of 0.5 - 10 ug/L. Each ampule produces 2 liters of sample. (Supplied in duplicate)
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WS - TOC/DOC, 21 mL
NSI Lab SolutionsA 21 mL concentrate to be analyzed for TOC and DOC. Each ampule produces 2 liters of sample. (Supplied in duplicate)
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WS - Residual Free Chlorine, NELAC range 0.5-3.0 mg/L, 2.2 mL
NSI Lab SolutionsA 2.2 mL concentrate for determination of Residual Free Chlorine and Total Residual Chlorine. Formulated in the NELAC range of 0.5 - 3.0 mg/L. Each ampule produces 2 liters of sample. (Supplied in duplicate)
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A ten standard set for determination of Total/Fecal Coliforms and E.coli. The standards are designed to be compatible with all promulgated methods including MF,MTF,IDEXX Quanti-Tray,Colilert,and Colisure. With this set, you can report presence/absence.
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WS - EDB/DBCP/TCP, Methods 504/551
NSI Lab SolutionsA 1.5 mL concentrate in P/T Methanol for use with Methods 504/551. (Supplied in duplicate)
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WS - Unregulated VOCs, Methods 502.1/502.2/524.2
NSI Lab SolutionsA 1.5 mL concentrate in Methanol for use with Methods 502.1/502.2/524.2. (Supplied in duplicate)
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One stabilized Microgel-Flash™ pellet in the range of 20-200 CFU per 100 mL designed for LT2 Enhanced Surface Water Treatment Rule. Evaluated for E.coli, Fecal Coliform and Total Coliform. Applicable for all SDWA quantitative methods. Sterile hydration
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WS - Inorganics, 500 mL
NSI Lab SolutionsA 500 mL whole volume for determination of Alkalinity, Chloride, Sulfate, TDS, Conductivity, Fluoride, Nitrate as N, Potassium, Nitrate/Nitrite-N(Supplied in duplicate)
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WS - Diquat/Endothall/Glyphosate/Paraquat, 1.5 mL
NSI Lab SolutionsA 5 mL concentrate for determination of Diquat, Endothall, Paraquat and Glyphosate. (Supplied in duplicate)
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WS - Organonitrogen Pesticides, Methods 505/507/508
NSI Lab SolutionsA 1.5 mL concentrate in Acetone for use with Methods 505/507/508. (Supplied in duplicate)
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WS - Nitrite, NELAC range 0.4-2.0 mg/L, 21 mL
NSI Lab SolutionsA 10.5 mL concentrate for determination of LAS as MBAs. Formulated in the NELAC range of 0.1 - 1.0 mg/L. Each ampule produces 2 liters of sample. (Supplied in duplicate)