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.
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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VWR®, Standards for the determination of Hydrocarbon Oil Index (HOI)
Supplier: VWR Chemicals
VWR® offers a complete range of products for the determination of the hydrocarbon oil index (HOI) in accordance with EN ISO 9377-2 (DIN H53).
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Supelco® COD CRM, standard solutions
Supplier: Merck
COD standard solution, Supelco®, 2000 mg/L, For test kit(s): 1.14691; 1.14555, pH range: 3 - 5
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PAHs (low level) - WP, proficiency testing material, Supelco®
Supplier: Merck
PAHs (Low Level) - WP, Supelco®, Proficiency Testing Material, Concentrate for dilution to 1L, : N/A
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VOAS in Soil - Low Level - PT, Proficiency Testing Material, Supelco®
Supplier: Merck
VOAS in Soil - Low Level - PT, Supelco®, Proficiency Testing Material, : N/A
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Trace Metals 3 - WS, Proficiency Testing Material, Supelco®
Supplier: Merck
Trace Metals 3 - WS, Supelco®, Proficiency Testing Material, : N/A
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TPH - sandy loams, (CRM), Supelco®
Supplier: Merck
TPH - Sandy Loam 3, Supelco®, Certified reference material, : N/A, Pkg of 100 g
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Pesticides 2 - WP, proficiency testing material, Supelco®
Supplier: Merck
Pesticides 2 - WP, Supelco®, Proficiency Testing Material, 1 mL for dilution to 1L, : N/A
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Nutrients in soil - PT, proficiency testing material, Supelco®
Supplier: Merck
Nutrients in Soil - PT, Supelco®, Proficiency Testing Material, : N/A
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Trace metals - sewage sludges, (CRM), Supelco®
Supplier: Merck
Trace Metals - Sewage Sludge 3, Supelco®, : N/A, Pkg of 40 g (dry)
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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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Dissolved Oxygen in Drinking Water, (CRM), Supelco®
Supplier: Merck
Dissolved Oxygen, Supelco®, Certified reference material, : 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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Corrosivity/Sodium - whole volume, (CRM), Supelco®
Supplier: Merck
Corrosivity/Sodium - Whole Volume, Supelco®, Certified reference material, : N/A
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EPA 552 halogenated acetic acids mix, certified reference material, Supelco®
Supplier: Merck
EPA 552 Halogenated Acetic Acids Mix, Supelco®, Certified reference material, 2000 mug/mL each component in methyl tert-butyl ether, : N/A
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Trace metals - baghouse dust, (CRM), Supelco®
Supplier: Merck
Trace Metals - Baghouse Dust, Supelco®, Certified reference material, : N/A, Pkg of 50 g
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Catalog #: 83639.320
Supplier: VWR Chemicals
Catalog #: 20864.320
Supplier: VWR Chemicals
Catalog #: 83640.320
Supplier: VWR Chemicals
Catalog #: 31770.294
Supplier: VWR Chemicals
Catalog #: 1.00030.2500
Supplier: Merck
Catalog #: 83645.320
Supplier: VWR Chemicals