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.
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
Expand 1 Items
EPA 8270 base-neutral surrogate spike mix, certified reference material, Supelco®
Supplier: Merck
EPA 8270 Base-Neutral Surrogate Spike Mix, Supelco®, Certified reference material, 1000 mug/mL each component in dichloromethane, : N/A
Expand 1 Items
EPA 8100 PAH additional components mix, certified reference material, Supelco®
Supplier: Merck
EPA 8100 PAH Additional Components Mix, Supelco®, Certified reference material, 1000 mug/mL in dichloromethane, : N/A
Expand 1 Items
EPA 610 polynuclear aromatic hydrocarbons mixture, certified reference material, Supelco®
Supplier: Merck
EPA 610 Polynuclear Aromatic Hydrocarbons Mixture, Supelco®, Certified reference material, in methanol: methylene chloride (1:1) (varied), : N/A
Expand 1 Items
EPA TCL base/neutrals mix 1, certified reference material, Supelco®
Supplier: Merck
EPA TCL Base/Neutrals Mix 1, Supelco®, Certified reference material, 2000 mug/mL each component in methylene chloride, : N/A
Expand 1 Items
SS TCL Polynuclear Aromatic Hydrocarbons Mix, certified reference material, Supelco®
Supplier: Merck
SS TCL Polynuclear Aromatic Hydrocarbons Mix, Supelco®, Certified reference material, 2000 mug/mL each component in methylene chloride: benzene (1:1), : N/A
Expand 1 Items
Semivolatile Base/Neutrals Surrogate Spike Mix, certified reference material, Supelco®
Supplier: Merck
Semivolatile Base/Neutrals Surrogate Spike Mix, Supelco®, Certified reference material, 5000 mug/mL each component in methylene chloride, : N/A
Expand 1 Items
COD calibration standard, (CRM), Supelco®
Supplier: Merck
COD Calibration Standard, Supelco®, : N/A
Expand 1 Items
Nitrite, (CRM), Supelco®
Supplier: Merck
Nitrite, Supelco®, Certified reference material, : N/A
Expand 1 Items
Trihalomethane Mixes, Supelco®
Supplier: Merck
Trihalomethane Mix, Supelco®, : N/A, 1× 1,2 ml
Expand 4 Items
Phenolics c/V sample 1, (CRM), Supelco®
Supplier: Merck
Phenolics C/V Sample 1, Supelco®, Certified reference material, : N/A
Expand 1 Items
Complex Nutrients, (CRM), Supelco®
Supplier: Merck
Complex Nutrients, Supelco®, Certified reference material
Expand 1 Items
Trihalomethanes - WS, (CRM), Supelco®
Supplier: Merck
Trihalomethanes - WS, Supelco®, Certified reference material, : N/A
Expand 1 Items
Nutrients in soil, (CRM), Supelco®
Supplier: Merck
Nutrients in Soil, Supelco®, Certified reference material, : N/A
Expand 1 Items
Settleable Solids - WP, (CRM), Supelco®
Supplier: Merck
Settleable Solids - WP, Supelco®, Certified reference material, : N/A
Expand 1 Items
Volatile residue - WP, (CRM), Supelco®
Supplier: Merck
Volatile Residue - WP, Supelco®, Certified reference material, : N/A
Expand 1 Items
Phthalates - PT, Proficiency Testing Material, Supelco®
Supplier: Merck
Phthalates - PT, Supelco®, Proficiency Testing Material, : N/A
Expand 1 Items
Herbicides in Soil - PT, Proficiency Testing Material, Supelco®
Supplier: Merck
Herbicides in Soil - PT, Supelco®, Proficiency Testing Material, : N/A
Expand 1 Items
Alkalinity calibration standards, (CRM), Supelco®
Supplier: Merck
Alkalinity, CaCO3 Calibration Standard, Supelco®, Certified reference material, 500 mg/l
Expand 3 Items
Chromium VI - Soil, (CRM), Supelco®
Supplier: Merck
Chromium VI - Soil, Supelco®, Certified reference material, : N/A
Expand 1 Items
BOD calibration standards, (CRM), Supelco®
Supplier: Merck
BOD calibration standard, Supelco®, Certified reference material, 200 mg/l in water
Expand 5 Items
Organophosphorus pesticides (low level) - PT, proficiency testing material, Supelco®
Supplier: Merck
Organophosphorus Pesticides (Low Level) - PT, Supelco®, Proficiency Testing Material, : N/A
Expand 1 Items
Trace metals - sandy loams, (CRM), Supelco®
Supplier: Merck
Trace Metals - Sandy Loam 8, Supelco®, Certified reference material, : N/A, Pkg of 50 g
Expand 2 Items
Nitrosamines/nitroaromatics - WP, proficiency testing material, Supelco®
Supplier: Merck
Nitrosamines/Nitroaromatics - WP, Supelco®, Proficiency Testing Material, Concentrate for dilution to 1L, : N/A
Expand 1 Items
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
Expand 1 Items
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
Expand 2 Items
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
Expand 1 Items
EPA 8270 nitrosamines mix, certified reference material, Supelco®
Supplier: Merck
EPA 8270 Nitrosamines Mix, Supelco®, Certified reference material, 2000 mug/mL each component in methanol, : N/A