Standards, N
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NPW - Salinity, 250mL
NSI Lab SolutionsA 250 mL whole volume sample for determination of Salinity. Formulated using dissolved ionic salts above 50 salinity. (Supplied in duplicate)
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NPW - Complex Nutrients, 21mL
NSI Lab SolutionsA 21 mL concentrate to be analyzed for Complex Nutrients. Each ampule produces 2 liters of sample. The sample includes: (Supplied in duplicate)
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NPW - Oil and Grease, NELAC range 20-200 mg/L, 3.2mL
NSI Lab SolutionsA 3.2 mL concentrate for determination of Oil and Grease. Formulated in the NELAC range of 20 - 200 mg/L. Each ampule produces 3 liters of sample. (Supplied in duplicate)
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NPW - Coliforms/E.coli
NSI Lab SolutionsDesigned for use with all Most Probable Numbers (MPN) and Membrane Filtration (MF) test procedures. Compatible with IDEXX quantitray MPN methods for waste water. Sample is supplied as a dehydrated pellet in the range of 20 - 2400 CFU/MPN per 100 mL. T
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NPW - Low Level Total Residue Chlorine, range 50-250 ug/L
NSI Lab SolutionsA single sample for determination of Low Level Total Residual Chlorine in the range of 50 - 250 ug/L. (Supplied in duplicate)
Related Products: Chlorine Standard Solution
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NPW - Total Residual Chlorine, NELAC range 0.5-3.0 mg/L, 2.2mL
NSI Lab SolutionsA 2.2 mL concentrate for determination of 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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1000ppm Nitrite as N in Reagent Water
NSI Lab Solutions1000ppm Nitrite as N in reagent water. Nitrite as N source is high purity sodium nitrite. Stores refrigerated. Packaged in 500mL HDPE bottle. A NSIT Traceable, ISO34 Certified Reference Material.
Related Products: Nitrite Standard Solution
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NPW - Turbidity, NELAC range 2.0-3.0 NTU, 21mL
NSI Lab SolutionsA 21 mL concentrate for determination of Turbidity in the NELAC range of 2.0 - 30 NTU. Formazin based. Each container produces 2 liters of sample. (Supplied in duplicate)
Related Products: Formazin Standard
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NPW - Settleable Solids, NELAC range 5.0-50 mL/L
NSI Lab SolutionsA natural solid for quantitative transfer to a 1 liter Class A volumetric flask with dilution to 1 liter in reagent water. Formulated in the NELAC range of 5.0 - 50 mL/L. Each vial produces 1 liter of sample. (Supplied in duplicate)
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NPW - Residue, NELAC range 20-100 mg/L, 500mL
NSI Lab SolutionsA 500 mL ready-to-use whole volume sample to be analyzed for Total Suspended Solids in the NELAC range of 20-100 mg/L and Total Solids formulated in the NELAC range of 140-800 mg/L. (Supplied in duplicate)
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NPW - Simple Nutrients, 21mL
NSI Lab SolutionsA 21 mL concentrate to be analyzed for Simple Nutrients. Each ampule produces 2 liters of sample. (Supplied in duplicate)
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NPW - TOX, range 300-1500 ug/L, 5.5mL
NSI Lab SolutionsA 5.5 mL concentrate in Methanol for determination of TOX. Formulated in the range of 300 - 1500 ug/L. Each ampule produces 3 liters of sample.(Supplied in duplicate)
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NPW - Nitroaromatics/Nitramines in Water, range 1.0-20.0 ug, 1.5mL
NSI Lab SolutionsA 1.5 mL concentrate in Acetonitrile for determination of explosive residues in water. (Supplied in duplicate)
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NPW - Trace Metals, 21mL
NSI Lab SolutionsA 2 x 21 mL vial set for analysis of elements. Each ampule produces 2 liters of sample. (Supplied in duplicate)
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NPW - Uranium, range 3.0-104 ug/L, 21mL
NSI Lab SolutionsA 21 mL concentrate for determination of Uranium. Formulated in the range of 3.0 - 104 ug/L. Each ampule produces 2 liters of sample. (Supplied in duplicate)
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NPW - Ignitability, range 100-200°F, 110mL
NSI Lab SolutionsA 110 mL sample for Ignitability in the range of 100 - 200°F. Ground Shipping Only. Not supplied in duplicate.
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NPW - Bromide, NELAC range 1.0-10 mg/L, 21mL
NSI Lab SolutionsA 21 mL concentrate for determination of Bromide. Formulated in the NELAC range of 1.0 - 10 mg/L. Each ampule produces 2 liters of sample. (Supplied in duplicate)
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Nitroaromatics, contains 80% of analytes within range, 10g
NSI Lab SolutionsA 10 gram sample supplied ready to use. Supplied in duplicate.
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NPW - Silica, NELAC range 50-250 mg/L, 21mL
NSI Lab SolutionsA 21 mL concentrate for determination of Silica. Formulated in the NELAC range of 50 - 250 mg/L. Each vial produces 2 liters of sample. (Supplied in duplicate)
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NPW - pH, NELAC range 5.0-10 units, 250mL
NSI Lab SolutionsA 250 mL whole volume sample to be analyzed for pH without dilution. Formulated in the NELAC range of 5.0 - 10 units. (Supplied in duplicate)
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NPW - Demand, 21mL
NSI Lab SolutionsA 21 mL concentrate for determination of TOC, COD, BOD, and C-BOD. Each ampule produces 2 liters of sample. (Supplied in duplicate)
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NPW - OP Pesticides, 1.5mL
NSI Lab SolutionsA 1.5 mL concentrate in Acetone (Supplied in duplicate)
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NPW - Low Level Halocarbons, NELAC range 0.2-2.0 ug/L, 1.5mL
NSI Lab SolutionsA 1.5 mL concentrate in P/T Methanol for determination of 1,2-Dibromoethane (EDB), 1,2-Dibromo-3-chloropropane (DBCP) and 1,2,3-Trichloropropane. Formulated in the NELAC range of 0.2 - 2.0 ug/L. (Supplied in duplicate)
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NPW - Hexavalent Chromium, NELAC range 90-900 ug/L, 10.5mL
NSI Lab SolutionsA 10.5 mL concentrate for determination of Hexavalent Chromium. Formulated in the NELAC range of 90 - 900 ug/L. Each ampule produces 2 liters of sample. (Supplied in duplicate)
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Sample contains both organic and inorganic mercury in the range of 20 -100 ng/L. Provided as a 5 mL concentrate for dilution to 1000 mL. (Supplied in duplicate)
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NPW - Gasoline Range Organics (GRO), NELAC range 400-4000 ug/L, 1.5mL
NSI Lab SolutionsA 1.5 mL concentrate in Methanol for determination of GRO. Formulated in the NELAC range of 400 - 4000 ug/L. (Supplied in duplicate)
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NPW - SGT - HEM (TPH), NELAC range 20-200 mg/L, 5mL
NSI Lab SolutionsA 5.0 mL sample for dilution to 1000 mL. Can be used for IR methods as well as Gravimetric methods. Formulated in the NELAC range of 20 - 200 mg/L. Each ampule produces 1 liters of sample. (Supplied in duplicate)
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A 1.5 mL concentrate in Acetone for use with Methods 608/8080/8081. Formulated in the NELAC range of 3.00 - 25.0 ug/L. (Supplied in duplicate)
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NPW - Enterococcus/Fecal Strep
NSI Lab SolutionsDesigned for use with all MPN and MF procedures. Sample supplied as a dehydrated pellet in the NELAC range of 20 - 1000 CFU/MPN per 100 mL. Sterile hydration buffer included. Store in freezer. Supplied in duplicate so that you can evaluate multiple me
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NPW - Amenable and Total Cyanide, NELAC range 0.1-1 mg/L, 21mL
NSI Lab SolutionsA 21 mL concentrate for determination of Amenable and Total Cyanide. Formulated in the NELAC range of 0.1 - 1 mg/L. Each ampule produces 2 liters of sample. (Supplied in duplicate)
