Miljø analyse standarder

Standarder for miljøanalyse bekræfter, at testinstrumenter forbliver konsistente til overvågning af forureningsniveauer. Enkelt- eller multielementløsninger kan anvendes til at sammenligne og kontrollere sammensætningsbestemmelser af ukendte prøver. Ved nøjagtigt at vurdere trusler i atmosfæren, vandkilder eller jord kan personalet ændre og forbedre forholdene for at genskabe det miljø, der kræves for optimal ydeevne. Miljøanalysestandarder gør det muligt at identificere alle eksterne og interne elementer, som påvirker den samlede vækst.

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ISE calibration standards

Supplier: Mettler - Toledo

Nitrate ISE standard solution, 1000 mg/l, 1000 mg/l as NO₃-, : N/A

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ISE surfactant analysis solutions, Orion™

Supplier: Thermo Orion

ISE Surfactant Analysis Solutions for titrations with surfactant ion selective electrodes (ISE).

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COD standards

Supplier: Thermo Orion

COD standard 10000 mg/l

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Elemental analysis standards, brick clay - constituents, NIST-679

Supplier: LGC Standards PROMOCHEM

Brick clay - constituents

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Hydrazine Sulphate Solution

Supplier: CUSTOM MADE CHEMICALS LAB

Hydrazine sulphate solution

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Nitrogen (Total) Standard Solution, CRM

Supplier: CUSTOM MADE CHEMICALS LAB

Total nitrogen standard (100 mg/L) - for photometric applications.

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COD standard solutions, VHG

Supplier: LGC Standards PROMOCHEM

This solution is intended for use as a calibration standard or quality control check for chemical oxygen demand (COD).

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Trace elements in water, NIST-1643F

Supplier: LGC Standards PROMOCHEM

This reference standards are intended to use in the determination of trace elements in fresh water. The solution contains nitric acid at a volume fraction of approximately 2%, equivalent to an amount of substance concentration (molarity) of approximately 0,32 mol/l and also it simulates the elemental composition of fresh water.

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Reference standards, gypsum

Supplier: LGC Standards PROMOCHEM

Certified reference materials (CRM) for gypsum and its constitutents.

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Elemental analysis standards, plastic clay, NIST-98B

Supplier: LGC Standards PROMOCHEM

This standards reference material is intended to use in the determination of constituent elements in clay and material of similar matrix. These powdered clay was air-dried, ball-milled and blended to ensure homogeneity.

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Standards for water pollution QC check, inorganics, VHG

Supplier: LGC Standards PROMOCHEM

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.

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Domestic sludge - metals, NIST-2781 standard

Supplier: LGC Standards PROMOCHEM

This standard reference material is intended to use in the evaluation of methods used for the analysis of sludges and other materials of a similar matrix. These are dried and pulverised domestic sludge.

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Standards for water pollution QC check, solids, VHG

Supplier: LGC Standards PROMOCHEM

This product is intended for use as a quality control check for methods related to total suspended solids (TSS), total dissolved solids (TDS), and total solids (TS).

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Industrial sludge - leachable and total metals, NIST-2782

Supplier: LGC Standards PROMOCHEM

This standard reference material is intended primarily for use in the evaluation of methods used for the analysis of sludges and other materials of a similar matrix.