You searched for: Umweltanalyse-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 re-establish 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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COD calibration standard, (CRM), Supelco®

Supplier: Merck

COD Calibration Standard, Supelco®, : N/A

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Total organic carbon standards, according to ISO/CEN EN1484, Supelco®

Supplier: Merck

TOC standard, Supelco®, Analytical standard, 1000 ±10 mg/l

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Alkalinity calibration standards, (CRM), Supelco®

Supplier: Merck

Alkalinity, CaCO3 Calibration Standard, Supelco®, Certified reference material, 500 mg/l

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BOD calibration standards, (CRM), Supelco®

Supplier: Merck

BOD calibration standard, Supelco®, Certified reference material, 200 mg/l in water

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VWR®, Total Nitrogen Standards (CRMs)

Supplier: VWR Chemicals

Certified reference materials for use as standards for Total Nitrogen, typically used as standards for Kjeldahl nitrogen determination.

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Phenols Mix 1, analytical standard, Supelco®

Supplier: Merck

Phenols Mix 1, Supelco®, Analytical standard, in isopropanol (varied conc.), : N/A

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EPA 610-N PAH Kit, analytical standard, Supelco®

Supplier: Merck

EPA 610-N PAH Kit, Supelco®, Analytical standard, : N/A

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Aroclor spike mix, analytical standard, Supelco®

Supplier: Merck

Aroclor Spike Mix, Supelco®, Analytical standard, 100 mug/mL each component in acetone, : N/A

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EPA 8260 Internal standards mix, (CRM), Supelco®

Supplier: Merck

EPA 8260 Internal Standards Mix, Supelco® TraceCERT®, Certified reference material, 2000 µg/ml each component in methanol, : N/A

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Hardness calibration standard, calcium 1000 mg/L, (CRM), Supelco®

Supplier: Merck

Hardness calibration standard, Supelco®, Certified reference material, Calcium 1000 mg/l, : N/A

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EPA 625 semivolatile calibration mix, analytical standard, Supelco®

Supplier: Merck

EPA 625 Semivolatile Calibration Mix, Supelco®, Analytical standard, 1000 mug/mL each component in methylene chloride: benzene (3:1), : N/A

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TOC Standard Solutions, Certified Reference Materials, Ready-to-Use, for Photometry, Supelco®

Supplier: Merck

TOC standard solution, Supelco®, 500 mg/L TOC, : N/A, Matrix: H₂O, pH-Bereich: 3 - 5

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COD 500 mg/L calibration standard, (CRM), Supelco®

Supplier: Merck

COD Calibration Standard, Supelco®, Certified reference material, 500 mg/l, : N/A

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VWR®, TOC standard solutions

Supplier: VWR Chemicals

Potassium hydrogen phthalate solutions.

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Surfactant (MBAS) calibration standards, (CRM), Supelco®

Supplier: Merck

Surfactant (MBAS) calibration standards, Supelco®, Certified reference material, 1000 mg/l, : N/A

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TOC standard, according to ISO/CEN EN1484, Supelco®

Supplier: Merck

TOC standard, Supelco®, 25 mg/L+/-2 mg/L, according to ISO/CEN EN1484

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EPA 524 internal standard mix, certified reference material, Supelco®

Supplier: Merck

EPA 524 Internal Standard Mix, Supelco®, Certified reference material, 2000 mug/mL each component in methanol, : N/A

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EPA 502 Internal Standard Mix, certified reference material, Supelco®

Supplier: Merck

EPA 502 Internal Standard Mix, Supelco®, Certified reference material, 2000 mug/mL each component in methanol, : N/A

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EPA VOC mix 6, analytical standard, Supelco®

Supplier: Merck

EPA VOC Mix 6, Supelco®, Analytical standard, 2000 mug/mL each component in methanol, : N/A

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EPA 8040A phenol calibration mix, analytical standard, Supelco®

Supplier: Merck

EPA 8040A Phenol Calibration Mix, Supelco®, Analytical standard, 500 mug/mL each component in isopropanol, : N/A

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EPA 502/524.2 VOC Mix, analytical standard, Supelco®

Supplier: Merck

EPA 502/524.2 VOC Mix, Supelco®, Analytical standard, 200 mug/mL each component in methanol, : N/A

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MISA Group 23 chlorinated hydrocarbon mix, analytical standard, Supelco®

Supplier: Merck

MISA Group 23 Chlorinated Hydrocarbon Mix, Supelco®, Analytical standard, 2000 mug/mL each component in dichloromethane, : N/A

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VWR®, COD calibration standards, Certified Reference Materials (CRMs)

Supplier: VWR Chemicals

Avantor now offers a complete range of COD (Chemical Oxygen Demand) calibration standards (traceable to BAM) as CRM with concentrations between 20 and 10000 mg/L. Can be used to calibrate, control, verify or validate all COD test methods.

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EPA 502/524 Volatiles Organic Calibration Mix (without gases), analytical standard, Supelco®

Supplier: Merck

EPA 502/524 Volatiles Organic Calibration Mix (without gases), Supelco®, Analytical standard, 2000 mug/mL each component in methanol, : N/A

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Particle Count Set, Reference Standard

Supplier: USP

USP Reference Standards are specified for use in conducting official USP–NF tests and assays. USP also provides Reference Standards specified in the Food Chemicals Codex as well as authentic substances—high-quality chemical samples—as a service to analytical, clinical, pharmaceutical and research laboratories. To confirm accuracy and reproducibility, USP Reference Standards are rigorously tested and evaluated by multiple independent laboratories including USP, commercial, regulatory, and academic labs. USP also provide publicly available, official documentary standards for pharmaceutical ingredients in the USP–NF that link directly with our primary reference standards.