Standards, N

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  • NPW - Salinity, 250mL

    NSI Lab Solutions

    A 250 mL whole volume sample for determination of Salinity.  Formulated using dissolved ionic salts above 50 salinity. (Supplied in duplicate) 

  • NPW - Complex Nutrients, 21mL

    NSI Lab Solutions

    A 21 mL concentrate to be analyzed for Complex Nutrients. Each ampule produces 2 liters of sample. The sample includes:  (Supplied in duplicate)

  • A 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)

  • NPW - Coliforms/E.coli

    NSI Lab Solutions

    Designed 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

  • A single sample for determination of Low Level Total Residual Chlorine in the range of 50 - 250 ug/L. (Supplied in duplicate) 

  • A 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). 

  • 1000ppm 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.

  • A 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)

  • A 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) 

  • A 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)

  • NPW - BTEX by PID, 1.5mL

    NSI Lab Solutions

    A 1.5 mL concentrate in Methanol (Supplied in duplicate)

  • NPW - Simple Nutrients, 21mL

    NSI Lab Solutions

    A 21 mL concentrate to be analyzed for Simple Nutrients. Each ampule produces 2 liters of sample. (Supplied in duplicate)

  • A 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)

  • A 1.5 mL concentrate in Acetonitrile for determination of explosive residues in water. (Supplied in duplicate)

  • NPW - Trace Metals, 21mL

    NSI Lab Solutions

    A 2 x 21 mL vial set for analysis of elements. Each ampule produces 2 liters of sample. (Supplied in duplicate)

  • A 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)

  • A 110 mL sample for Ignitability in the range of 100 - 200°F. Ground Shipping Only. Not supplied in duplicate.

  • A 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)

  • A 10 gram sample supplied ready to use. Supplied in duplicate.

  • A 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)

  • A 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)

  • NPW - Demand, 21mL

    NSI Lab Solutions

    A 21 mL concentrate for determination of TOC, COD, BOD, and C-BOD. Each ampule produces 2 liters of sample. (Supplied in duplicate)

  • NPW - OP Pesticides, 1.5mL

    NSI Lab Solutions

    A 1.5 mL concentrate in Acetone (Supplied in duplicate)

  • A 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)

  • A 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)

  • 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)

  • A 1.5 mL concentrate in Methanol for determination of GRO. Formulated in the NELAC range of 400 - 4000 ug/L. (Supplied in duplicate)

  • NPW - PCBs in Oil, 2g

    NSI Lab Solutions

    A 2 x 2 g set in Transformer Oil (Supplied in duplicate)

  • A 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)

  • 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)

  • NPW - Enterococcus/Fecal Strep

    NSI Lab Solutions

    Designed 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

  • A 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) 

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