Chemicals Standards W
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WS - Trihalomethanes, Methods 501/502/524
NSI Lab SolutionsA 1.5 mL concentrate in P/T Methanol for use with Methods 501/502/524. (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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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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Our 1 liter wash solution is for use with the ELAN 5000 in atomic spectroscopy.
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Molecular Biology Grade Provides highest purity to prepare you reagents, free of DNAse, RNAase and proteases.
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Universal Wastewater Standard
NSI Lab SolutionsDesigned to reduce the number of standards you need to manage your lab, our Universal Wastewater Standard is certified for 13 conventional pollutants. In ready-to-use bottles.
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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 - Hardness, 250 mL
NSI Lab SolutionsA 250 mL whole volume sample for determination of Total Hardness, Calcium, Sodium, Magnesium, Calcium Hardness. (Supplied in duplicate)
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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 - Hexavalent Chromium, NELAC range 5.0-50 ug/L, 10.5 mL
NSI Lab SolutionsA 10.5 mL concentrate to be diluted to 1 liter and analyzed for Cr(VI) at drinking water levels. Formulated in the NELAC range of 5.0 - 50 ug/L. Each ampule produces 2 liters of sample. (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 - 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 - Fluoride, NELAC range 1-8 mg/L, 125 mL
NSI Lab SolutionsA 125 mL whole volume sample for determination of Fluoride. Formulated in the NELAC range of 1 - 8 mg/L. (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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WS - Regulated 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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WS - Cyanide, NELAC range 0.1-0.5 mg/L, 21 mL
NSI Lab SolutionsA 21 mL concentrate for determination of Total Cyanide. Formulated in the NELAC range of 0.1 - 0.5 mg/L. Each ampule produces 2 liters of sample. (Supplied in duplicate)
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WS - pH, NELAC range 5.0-10 units, 250 mL
NSI Lab SolutionsA 250 mL whole volume sample for determination of pH without dilution. Formulated in the NELAC range of 5.0 - 10 units. (Supplied in duplicate)
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WS - Silica, NELAC range 5.0-75 mg/L, 21 mL
NSI Lab SolutionsA 21 mL concentrate for dilution to 1 liter for determination of Silica. Formulated in the NELAC range of 5.0 - 75 mg/L. Each vial produces 2 liters of sample. (Supplied in duplicate)
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WS - Corrosivity, NELAC range -4 to +4 SI units, 500 mL
NSI Lab SolutionsA 500 mL whole volume sample for determination of Corrosivity. Formulated in the NELAC range -4 to +4 SI units. (Supplied in duplicate)
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WS - MBAs, NELAC range 0.1-1.0 mg/L, 10.5 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)
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WS - Organic Disinfection By-Products, 1.5 mL
NSI Lab SolutionsA 1.5 mL concentrate in MTBE (Supplied in duplicate)
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WS - Orthophosphate, NELAC 0.5-5.5 mg/L, 21 mL
NSI Lab SolutionsA 21 mL concentrate for determination of Orthophosphate. Formulated in the NELAC range of 0.5 - 5.5 mg/L. Each ampule produces 2 liters of sample. (Supplied in duplicate)
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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 - Color, range 1-25 CU, 100 mL
NSI Lab SolutionsA 100 mL whole volume sample for determination of Color. Formulated in the range of 1 - 25 CU. (Supplied in duplicate)
