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.
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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EPA 8270/Appendix IX nitrosamines mix, certified reference material, Supelco®
Supplier: Merck
EPA 8270/Appendix IX Nitrosamines Mix, Supelco®, Certified reference material, 2000 mug/mL each component in methanol, : N/A
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Phenolics c/V sample 1, (CRM), Supelco®
Supplier: Merck
Phenolics C/V Sample 1, Supelco®, Certified reference material, : N/A
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Trihalomethane Mixes, Supelco®
Supplier: Merck
Trihalomethane Mix, Supelco®, : N/A, 10× 1,2 ml
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Semivolatile Acids Surrogate Spike Mix, certified reference material, Supelco®
Supplier: Merck
Semivolatile Acids Surrogate Spike Mix, Supelco®, Certified reference material, 10000 mug/mL each component in methanol, : N/A
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Volatile residue - WP, (CRM), Supelco®
Supplier: Merck
Volatile Residue - WP, Supelco®, Certified reference material, : N/A
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Nitrite, (CRM), Supelco®
Supplier: Merck
Nitrite, Supelco®, Certified reference material, : N/A
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Test mixture 2 for apolar capillary columns according to Grob, for GC, ready-to-use, Supelco®
Supplier: Merck
Test mixture 2 for apolar capillary columns according to Grob, Supelco®, for GC, ready-to-use, : N/A
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Nitrosamines/nitroaromatics - WP, proficiency testing material, Supelco®
Supplier: Merck
Nitrosamines/Nitroaromatics - WP, Supelco®, Proficiency Testing Material, Concentrate for dilution to 1L, : N/A
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Organophosphorus pesticides (low level) - PT, proficiency testing material, Supelco®
Supplier: Merck
Organophosphorus Pesticides (Low Level) - PT, Supelco®, Proficiency Testing Material, : N/A
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Chromium VI - Soil, (CRM), Supelco®
Supplier: Merck
Chromium VI - Soil, Supelco®, Certified reference material, : N/A
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Herbicides in Soil - PT, Proficiency Testing Material, Supelco®
Supplier: Merck
Herbicides in Soil - PT, Supelco®, Proficiency Testing Material, : N/A
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Trace metals - sandy loams, (CRM), Supelco®
Supplier: Merck
Trace Metals - Sandy Loam 7, Supelco®, Certified reference material, : N/A, Pkg of 50 g
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COD calibration standard, (CRM), Supelco®
Supplier: Merck
COD Calibration Standard, Supelco®, : N/A
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Nutrients in soil, (CRM), Supelco®
Supplier: Merck
Nutrients in Soil, Supelco®, Certified reference material, : N/A
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Settleable Solids - WP, (CRM), Supelco®
Supplier: Merck
Settleable Solids - WP, Supelco®, Certified reference material, : N/A
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Complex Nutrients, (CRM), Supelco®
Supplier: Merck
Complex Nutrients, Supelco®, Certified reference material
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Phthalates - PT, Proficiency Testing Material, Supelco®
Supplier: Merck
Phthalates - PT, Supelco®, Proficiency Testing Material, : N/A
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Trihalomethanes - WS, (CRM), Supelco®
Supplier: Merck
Trihalomethanes - WS, Supelco®, Certified reference material, : 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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BOD calibration standards, (CRM), Supelco®
Supplier: Merck
BOD calibration standard, Supelco®, Certified reference material, 200 mg/l in water
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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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Nitrogen (total) CRM, Standard Solutions, Supelco®
Supplier: Merck
Nitrogen (total) standard solution, Supelco®, 12,0 mg/L N, Matris: H₂O, För testkit: 1.00613; 1.14537; 1.14763, pH-område: 5 - 7
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MISA Group 17 non-halogen organic mix, certified reference material, Supelco®
Supplier: Merck
MISA Group 17 Non-Halogen Organic Mix, Supelco®, Certified reference material, 2000 mug/mL each component in methanol, : N/A
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Dissolved Oxygen - Whole Volume, (CRM), Supelco®
Supplier: Merck
Dissolved Oxygen - Whole Volume, Supelco®, Certified reference material, : N/A
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Particulate matter in impinger solution, proficiency testing material, Supelco®
Supplier: Merck
Particulate Matter in Impinger Solution, Supelco®, Proficiency Testing Material, : N/A
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EPA Phthalate esters mix, certified reference material, Supelco®
Supplier: Merck
EPA Phthalate Esters Mix, Supelco®, Certified reference material, 2000 mug/mL each component in hexane, : N/A
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PAH - Sediment 1, (CRM), Supelco®
Supplier: Merck
PAH - Sediment 1, Supelco®, Certified reference material, : N/A, Pkg of 50 g