You searched for: Environmental Analysis Standards

Supplier: Hach

These mixed standards are ready to use, no dilutions are required. They contain ammonia nitrogen, nitrate nitrogen, COD, phosphate, sulphate and TOC.

Supplier: Hach

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

Supplier: Hach

Standard solution for accuracy checks in copper determinations.

Supplier: Hach

For accuracy checks in iron determinations.

Supplier: MACHEREY-NAGEL

Multi standard

Supplier: Hach

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

Supplier: Hach

Control standard for nitrate determination, 25 mg/l as NO3

Supplier: Hach

Standard solution for accuracy checks in cadmium determinations.

Supplier: Hach

For accuracy checks in nitrite determinations.

Supplier: Hach

ISE standards are used to calibrate ion selective electrode measurement systems by coresponding the electrode output with the concentration of the analyte. Pairs of standards with concentrations that differ by a factor of ten are used for analysis.

Supplier: Hach

System for Analytical Quality Assurance (AQA), consisting of one combined standard/spiking solution and two round robin test solutions.

Supplier: Hach

Standard solution for accuracy checks in phosphorus determinations.

Supplier: Hach

Cobalt chloride solution for spectrophotometer linearisation.

Supplier: Hach

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

Supplier: Hach

Used for determination of sulphite by burette iodometric titration.

Supplier: Hach

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

Supplier: Hach

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

Supplier: Hach

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

Supplier: Hach

These mixed standards are ready to use with no dilutions required. It include standards for determination of copper, iron and manganese.

Supplier: Hach

These mixed standards are ready to use with no dilutions required. Includes standards for both total hardness and calcium hardness determination.

Supplier: Hach

Standard solutions for accuracy checks in manganese determinations.

Supplier: Hach

Acetate standard solution for accuracy checks in volatile acids determinations.

Supplier: Hach

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

Supplier: Hach

Standard solution for accuracy checks in molybdenum determinations.

Supplier: Hach

Standard solution for accuracy checks in nickel determinations.

Supplier: Hach

Standard solution for accuracy checks in potassium determinations.

Supplier: Hach

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

Supplier: Hach

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

Supplier: Hach

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

Supplier: Hach

Standard solution for chloride determination by argentometric burette titration.