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.
pH and conductivity in seawater, analytical standard, Supelco®
Supplier: Merck
pH and Conductivity in Seawater, Supelco®, : N/A
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UV254 - Whole Volume - WS, Proficiency Testing Material, Supelco®
Supplier: Merck
UV254 - Whole Volume - WS, Supelco®, Proficiency Testing Material, : N/A
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TPH in Soil, (CRM), Supelco®
Supplier: Merck
TPH in Soil, Supelco®, Certified reference material, : 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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Sulfide in Soil - PT, Proficiency Testing Material, Supelco®
Supplier: Merck
Sulfide in Soil - PT, Supelco®, Proficiency Testing Material, : N/A
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Anions on Filter Paper, Proficiency Testing Material, Supelco®
Supplier: Merck
Anions on Filter Paper, Supelco®, Proficiency Testing Material, : N/A
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Phthalates, (CRM), Supelco®
Supplier: Merck
Phthalates, Supelco®, Certified reference material, : N/A
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Metals in impinger solution, proficiency testing material, Supelco®
Supplier: Merck
Metals in Impinger Solution, Supelco®, Proficiency Testing Material, : N/A
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Salinity - WP, Proficiency Testing Material, Supelco®
Supplier: Merck
Salinity - WP, Supelco®, Proficiency Testing 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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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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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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Trace Metals (Dissolved) - 2, (CRM), Supelco®
Supplier: Merck
Trace Metals (Dissolved) - 2, Supelco®, Certified reference material, : N/A
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Trace metals - taiwan clays, (CRM), Supelco®
Supplier: Merck
Trace Metals - Taiwan Clay 2, Supelco®, Certified reference material, : N/A, Pkg of 50 g
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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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EPA TCL Pesticides mix, certified reference material, Supelco®
Supplier: Merck
EPA TCL Pesticides Mix, Supelco®, Certified reference material, 2000 mug/mL each component in hexane: toluene (1:1), : N/A
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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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Low level anions, (CRM), Supelco®
Supplier: Merck
Low Level Anions, Supelco®, : N/A
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Clean Sediment #2, (CRM), Supelco®
Supplier: Merck
Clean Sediment #2, Supelco®, : N/A, Pkg of 250 g
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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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Clean Loam Soil, (CRM), Supelco®
Supplier: Merck
Clean Loam Soil, 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