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.
Organophosphorus pesticides Mix A, certified reference material, Supelco®
Supplier: Merck
Organophosphorus Pesticides Mix A, Supelco®, Certified reference material, 2000 mug/mL each component in hexane: acetone (9:1), : N/A
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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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Hardness/TSS - Whole Volume, (CRM), Supelco®
Supplier: Merck
Hardness/TSS - Whole Volume, Supelco®, Certified reference material, : N/A
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EPA 8260 volatiles calibration mix, certified reference material, Supelco®
Supplier: Merck
EPA 8260 Volatiles Calibration Mix, Supelco®, Certified reference material, 2000 mug/mL each component in methanol, : N/A
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Trace Metals (Dissolved) - 2, (CRM), Supelco®
Supplier: Merck
Trace Metals (Dissolved) - 2, Supelco®, Certified reference material, : N/A
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Total Phenolics, (CRM), Supelco®
Supplier: Merck
Total Phenolics, Supelco®, Certified reference material, : N/A
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Minerals - whole volume, (CRM), Supelco®
Supplier: Merck
Minerals - Whole Volume, Supelco®, Certified reference material, : N/A
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VOAs in soil 2 - medium level, Supelco®
Supplier: Merck
VOAs in soil 2 - medium level, Supelco®, : N/A
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Residual Chlorine - Constant Value, (CRM), Supelco®
Supplier: Merck
Residual Chlorine - Constant Value, Supelco®, Certified reference material, : N/A
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EPA 608 pesticides mix, certified reference material, Supelco®
Supplier: Merck
EPA 608 Pesticides Mix, Supelco®, Certified reference material, 20 mug/mL each component in hexane: toluene (1:1), : N/A
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Acidity (as CaCO₃), concentrate, (CRM), Supelco®
Supplier: Merck
Acidity (as CaCO3), concentrate, Supelco®, Certified reference material, : N/A
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Nitrogen oxide in impinger solution, proficiency testing material, Supelco®
Supplier: Merck
Nitrogen Oxide in Impinger Solution, Supelco®, Proficiency Testing Material, : N/A
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Residual Free Chlorine (RFC) - WS, Proficiency Testing Material, Supelco®
Supplier: Merck
Residual Free Chlorine (RFC) - WS, Supelco®, Proficiency Testing Material, : N/A
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Nonionic surfactants, (CRM), Supelco®
Supplier: Merck
Nonionic Surfactants, Supelco®, Certified reference material
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Free Liquids in Paint - PT, Proficiency Testing Material, Supelco®
Supplier: Merck
Free Liquids in Paint - PT, Supelco®, Proficiency Testing Material, : N/A
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BTEX/MTBE in soil - PT, proficiency testing material, Supelco®
Supplier: Merck
BTEX/MTBE in Soil - PT, Supelco®, Proficiency Testing Material, : N/A
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EPA 8270 GC-MS tuning solution, certified reference material, Supelco®
Supplier: Merck
EPA 8270 GC-MS Tuning Solution, Supelco®, Certified reference material, 50 mug/mL each component in dichloromethane, : 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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Trace metals kits - WS, (CRM), Supelco®
Supplier: Merck
Trace Metals Kits - WS, Supelco®, : N/A
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Low level total phosphorus - QC, (CRM), Supelco®
Supplier: Merck
Low Level Total Phosphorus - QC, Supelco®, : N/A
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Trace metals -clay, (CRM), Supelco®
Supplier: Merck
Trace Metals -Silt Clay 1, Supelco®, Certified reference material, : N/A, Pkg of 50 g
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Nutrients - clay soil, (CRM), Supelco®
Supplier: Merck
Nutrients - Clay Soil, Supelco®, : N/A, Pkg of 100 g
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Herbicides I - WS, Proficiency Testing Material, Supelco®
Supplier: Merck
Herbicides I - WS, Supelco®, Proficiency Testing Material, : N/A
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EPA 552.2 acids calibration mix, certified reference material, Supelco®
Supplier: Merck
EPA 552.2 Acids Calibration Mix, Supelco®, Certified reference material, in methyl tert-butyl ether (varied), : N/A
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ISO 17943 57 Component VOC mix, (CRM), Supelco®
Supplier: Merck
ISO 17943 57 Component VOC Mix, Supelco®, Certified reference material, 200 µg/ml each component in methanol, : N/A
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Clean Loam Soil, (CRM), Supelco®
Supplier: Merck
Clean Loam Soil, Supelco®, : N/A
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Clean Sandy Loam, (CRM), Supelco®
Supplier: Merck
Clean Sandy Loam, Supelco®, : N/A
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Chlordane (Total) - WP, proficiency testing material, Supelco®
Supplier: Merck
Chlordane (Total) - WP, Supelco®, Proficiency Testing Material, Concentrate for dilution to 1L, : N/A
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TSS/pH (Whole Volume) in Seawater - WS, Proficiency Testing Material, Supelco®
Supplier: Merck
TSS/pH (whole volume) in Seawater - WS, Supelco®, Proficiency Testing Material, : N/A
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Low level anions - whole volume, Supelco®
Supplier: Merck
Low Level Anions - Whole Volume, Supelco®, : N/A
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Fournisseur: VWR Collection
Fournisseur: VWR Chemicals
Fournisseur: VWR Collection
Fournisseur: Integra
Fournisseur: VWR Collection
Fournisseur: Integra
Fournisseur: Industrial Physics
Fournisseur: VWR Collection
Fournisseur: VWR Collection
Fournisseur: VWR Collection
Fournisseur: EPPENDORF
Fournisseur: Integra
Fournisseur: GETT GERATETECHNIK
Fournisseur: HENKE SASS WOLF