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Standards for water pollution QC check, inorganics, VHG

Varenummer: (PROOVHG-QWSIN-500)

Leverandør: LGC Standards PROMOCHEM

Beskrivelse: This solution is intended for use as a quality control check for methods related to measurements of inorganic materials includes conductivity, alkalinity as CaCO₃, chloride, fluoride, nitrite and nitrate, sulphate, potassium, sodium, total dissolved solids and many more.

UOM: 1 * 500 mL

Tilbud

N/A Each

Dissolved oxygen standard solution

Varenummer: (HACH40149)

Leverandør: Hach

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

UOM: 1 * 500 mL

Tilbud

N/A Each

Phosphate standard solutions

Leverandør: Hach

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

Certifikater

Standards for water pollution QC check, mercury, VHG

Varenummer: (PROOVHG-QWPHG-15)

Leverandør: LGC Standards PROMOCHEM

Beskrivelse: This solution is intended for use as a quality control check for methods related to mercury.

UOM: 1 * 15 mL

Tilbud

N/A Each

Standards for water analysis, total kjeldahl nitrogen standard, VHG

Varenummer: (PROOG-TOTKJN1K-500)

Leverandør: LGC Standards PROMOCHEM

Beskrivelse: This standard solution is intended for use as a calibration standard for total kjeldahl nitrogen (TKN).

UOM: 1 * 1 Items

Tilbud

N/A Each

Sulphite standard solution

Leverandør: Hach

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

Certifikater

Standards for water pollution QC check, oil and grease concentrate, VHG

Varenummer: (PROOVHG-QWPOG-23)

Leverandør: LGC Standards PROMOCHEM

Beskrivelse: This material is designed for use as a quality control check for EPA method 1664. This standard is prepared in solvent n-propanol but not preserved.

UOM: 1 * 23 mL

Certifikater Tilbud

N/A Each

EDTA Standard Solution 0,05 M

Varenummer: (REGECP70051)

Leverandør: REAGECON

Beskrivelse: Reagecon's EDTA 0,05 M is a fully factorised, high purity, stable product, developed and tested for titrations. This is an analytical volumetric solution, also called titrant, standard titrant or standard solution. It is a reagent of known concentration, that is dispensed from a burette or other dispensing apparatus to a sample (analyte), until a reaction between the two liquids is judged to be complete. The product may be used for manual titrations, or more commonly automatic titrations also called potentiometric titration, to determine the end points by detection of any of several properties as detailed in several ChP monographs.

UOM: 1 * 1 L

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