Vous avez recherché : Étalons pour l'analyse environnementale
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.
PAH Mix 3, certified reference material, Supelco®
Supplier: Merck
PAH Mix 3, Supelco®, Certified reference material, in methylene chloride: methanol (1:1) (varied), : N/A
Expand 1 Items
EPA 8270 Organophosphorus pesticides mix, certified reference material, Supelco®
Supplier: Merck
EPA 8270 Organophosphorus Pesticides Mix, Supelco®, Certified reference material, 2000 mug/mL each component in hexane: acetone (80:20), : N/A
Expand 1 Items
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
Expand 1 Items
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
Expand 1 Items
Pesticides 2 - WP, proficiency testing material, Supelco®
Supplier: Merck
Pesticides 2 - WP, Supelco®, Proficiency Testing Material, 1 mL for dilution to 1L, : N/A
Expand 1 Items
VOAS in Soil - Low Level - PT, Proficiency Testing Material, Supelco®
Supplier: Merck
VOAS in Soil - Low Level - PT, Supelco®, Proficiency Testing Material, : N/A
Expand 1 Items
Corrosivity/Sodium - whole volume, (CRM), Supelco®
Supplier: Merck
Corrosivity/Sodium - Whole Volume, Supelco®, Certified reference material, : N/A
Expand 1 Items
Aroclor spike mix, analytical standard, Supelco®
Supplier: Merck
Aroclor Spike Mix, Supelco®, Analytical standard, 100 mug/mL each component in acetone, : N/A
Expand 1 Items
Base/Neutrals 1 - WP, (CRM), Supelco®
Supplier: Merck
Base/Neutrals 1 - WP, Supelco®, Certified reference material, : N/A
Expand 1 Items
Trace metals - baghouse dust, (CRM), Supelco®
Supplier: Merck
Trace Metals - Baghouse Dust, Supelco®, Certified reference material, : N/A, Pkg of 50 g
Expand 1 Items
TPH - sandy loams, (CRM), Supelco®
Supplier: Merck
TPH - Sandy Loam 4, Supelco®, : N/A, Pkg of 100 g
Expand 3 Items
Anions in Soil, (CRM), Supelco®
Supplier: Merck
Anions in Soil, Supelco®, Certified reference material, : N/A
Expand 1 Items
Trace metals - sewage sludges, (CRM), Supelco®
Supplier: Merck
Trace Metals - Sewage Sludge 3, Supelco®, : N/A, Pkg of 40 g (dry)
Expand 1 Items
Dissolved Oxygen in Drinking Water, (CRM), Supelco®
Supplier: Merck
Dissolved Oxygen, Supelco®, Certified reference material, : N/A
Expand 1 Items
Pesticides 1 - WP, proficiency testing material, Supelco®
Supplier: Merck
Pesticides 1 - WP, Supelco®, Proficiency Testing Material, 1 mL for dilution up to 1L, : N/A
Expand 1 Items
BTEX - Loamy sand 1, (CRM), Supelco®
Supplier: Merck
BTEX - Loamy Sand 1, Supelco®, Certified reference material, : N/A, Pkg of 30 g
Expand 1 Items
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
Expand 1 Items
pH and conductivity in seawater, analytical standard, Supelco®
Supplier: Merck
pH and Conductivity in Seawater, Supelco®, : N/A
Expand 1 Items
UV254 - Whole Volume - WS, Proficiency Testing Material, Supelco®
Supplier: Merck
UV254 - Whole Volume - WS, Supelco®, Proficiency Testing Material, : N/A
Expand 1 Items
TPH in Soil, (CRM), Supelco®
Supplier: Merck
TPH in Soil, Supelco®, Certified reference material, : N/A
Expand 1 Items
Hardness/TSS - Whole Volume, (CRM), Supelco®
Supplier: Merck
Hardness/TSS - Whole Volume, Supelco®, Certified reference material, : N/A
Expand 1 Items
Sulfide in Soil - PT, Proficiency Testing Material, Supelco®
Supplier: Merck
Sulfide in Soil - PT, Supelco®, Proficiency Testing Material, : N/A
Expand 1 Items
Anions on Filter Paper, Proficiency Testing Material, Supelco®
Supplier: Merck
Anions on Filter Paper, Supelco®, Proficiency Testing Material, : N/A
Expand 1 Items
Phthalates, (CRM), Supelco®
Supplier: Merck
Phthalates, Supelco®, Certified reference material, : N/A
Expand 1 Items
Metals in impinger solution, proficiency testing material, Supelco®
Supplier: Merck
Metals in Impinger Solution, Supelco®, Proficiency Testing Material, : N/A
Expand 1 Items
Salinity - WP, Proficiency Testing Material, Supelco®
Supplier: Merck
Salinity - WP, Supelco®, Proficiency Testing Material, : N/A
Expand 1 Items
Total Phenolics, (CRM), Supelco®
Supplier: Merck
Total Phenolics, Supelco®, Certified reference material, : N/A
Expand 1 Items
Minerals - whole volume, (CRM), Supelco®
Supplier: Merck
Minerals - Whole Volume, Supelco®, Certified reference material, : N/A
Expand 1 Items
VOAs in soil 2 - medium level, Supelco®
Supplier: Merck
VOAs in soil 2 - medium level, Supelco®, : N/A