You searched for: Environmental Analysis Standards

The environmental analysis standards confirm testing instruments remain consistent for pollutant level monitoring. Single or multi-element solutions can be used to compare and check composition determinations of unknown samples. Accurately assessing threats in the atmosphere, water sources, or soil, personnel can modify and improve conditions to reestablish the surroundings required for optimal performance. Identify all external and internal elements which impact overall growth with the environmental analysis standards.

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Nickel standard solution

Supplier: Hach

Standard solution for accuracy checks in nickel determinations.

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Standard solution, phosphate, 500 mg/L as PO4 (NIST), pk/16 - 10-mL voluette® ampules

Supplier: Hach

For accuracy checks in phosphate (phosphorus) determinations

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Sulfate standard solution

Supplier: Hach

Standard solution for accuracy checks in sulfate determinations.

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SpecCheck secondary gel standards sets

Supplier: Hach

SpecCheck secondary gel standards sets, 0 - 2 mg/l F₂, For test kit(s): Fluoride, 4 Vials

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Volatile acid standards

Supplier: Hach

Acetate standard solution for accuracy checks in volatile acids determinations.

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BOD standard solutions (NIST)

Supplier: Hach

For accuracy checks in Biochemical Oxygen Demand (BOD) determinations.

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Potassium standard solution

Supplier: Hach

Standard solution for accuracy checks in potassium determinations.

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Chlorine standard solution

Supplier: Hach

For accuracy checks in chlorine determinations. Lot specific concentration displayed on label.

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Standards for the ammonia and monochloramine analyser, APA6000

Supplier: Hach

These are used as part of the standard kit for both APA 6000 ammonia and ammonia/monochloramine analyser instruments.

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Reference standard kits for use with MD 100 and MD 200 photometers

Supplier: Lovibond

Reference standards are designed to check the accuracy and the reliability of the results.

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Nitrification inhibitor for BOD

Supplier: Hach

TCMP - 2-chloro-6 (trichloromethyl) pyridine (N-Serve), coated on an inert substrate.

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Reagents for determination of ammonia and total kjeldahl nitrogen by the nessler method

Supplier: Hach

For determination of ammonia and total kjeldahl nitrogen by the nessler method. Solutions are available in self-contained dropping bottle.

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Oxygen demand, quality control standard

Supplier: Hach

These mixed standards are ready to use, no dilutions are required. They contain BOD, COD and TOC.

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Phosphorus standard solution

Supplier: Hach

Standard solution for accuracy checks in phosphorus determinations.

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Solution, cobalt chloride, for spectrophotometer

Supplier: Hach

Cobalt chloride solution for spectrophotometer linearisation.

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Potassium iodide-iodate standard solution, 0,0125 N

Supplier: Hach

Used for determination of sulphite by burette iodometric titration.

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Silver nitrate standard solution

Supplier: Hach

Standard solution for chloride determination by argentometric burette titration.

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Phosphate standard solutions

Supplier: Hach

Standard solution for accuracy checks in phosphate (phosphorus) determinations.

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Standard solution, detergent

Supplier: Hach

For accuracy checks in detergents (surfactants) determinations.

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Alkalinity standard solution, 25000 mg/L CaCO₃ (NIST)

Supplier: Hach

Standard solution for accuracy checks in alkalinity determinations.

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Sulphite standard solution

Supplier: Hach

This equivalent standard is prepared with stabilised sodium thiosulfate, since sulphite is not a stable in solution.

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Quaternary ammonium compound (QAC) standard solution

Supplier: Hach

For accuracy checks in quaternary ammonium compound (QAC) determinations.

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Copper standard solution

Supplier: Hach

Standard solution for accuracy checks in copper determinations.

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Iron standard solution

Supplier: Hach

For accuracy checks in iron determinations.

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Dissolved oxygen standard solution

Supplier: Hach

Iodate-Iodide standard solution, 0.00125 N equivalent 10 mg/L DO

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Total organic carbon standards

Supplier: Hach

For accuracy checks in total organic carbon (TOC) determinations. Available as 20 ml sealed ampules.

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Carbon dioxide standard solution

Supplier: Hach

Standard solution for accuracy checks in carbon dioxide determinations (Potassium hydrogen phthalate solution).

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Magnesium standard solution

Supplier: Hach

Standard solutions for accuracy checks in magnesium determinations. HNO₃ matrix.

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Certified Reference Materials for environmental analysis

Supplier: VKI WATER QUALITY INSTITUTE

Certified Reference Materials (CRMs), produced by VKI, are designed to provide appropriate homogenous stable reference materials for quality control of environmental analyses. Certification is carried out in accordance with ISO Guide 30, 31, 33, 34, 35, ISO 5725 and ISO/REMCO N 37. All CRMs are traceable to a National Standard, or verified by a group of internationally recognised laboratories, and come with a Certificate of Analysis which states the certified value and the uncertainty at a stated level of confidence.