Hledali jste: Standardy pro environmentální analýzu
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 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
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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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Supelco® COD CRM, standard solutions
Supplier: Merck
COD standard solution, Supelco®, 2000 mg/L, Pro testovací kit(y): 1.14691; 1.14555, pH rozsah: 3 - 5
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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
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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
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Aroclor spike mix, analytical standard, Supelco®
Supplier: Merck
Aroclor Spike Mix, Supelco®, Analytical standard, 100 mug/mL each component in acetone, : N/A
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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
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EPA 502 Internal Standard Mix, certified reference material, Supelco®
Supplier: Merck
EPA 502 Internal Standard Mix, Supelco®, Certified reference material, 2000 mug/mL each component in methanol, : N/A
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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
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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
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TPH - sandy loams, (CRM), Supelco®
Supplier: Merck
TPH - Sandy Loam 3, Supelco®, Certified reference material, : N/A, Pkg of 100 g
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Anions in Soil, (CRM), Supelco®
Supplier: Merck
Anions in Soil, Supelco®, Certified reference material, : N/A
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Simple nutrients in seawater - Whole volume, (CRM), Supelco®
Supplier: Merck
Simple Nutrients in Seawater - Whole Volume, Supelco®, Certified reference material, : N/A
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Corrosivity/Sodium - whole volume, (CRM), Supelco®
Supplier: Merck
Corrosivity/Sodium - Whole Volume, Supelco®, Certified reference material, : N/A
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Dissolved Oxygen in Drinking Water, (CRM), Supelco®
Supplier: Merck
Dissolved Oxygen, Supelco®, Certified reference material, : N/A
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Nutrients in soil - PT, proficiency testing material, Supelco®
Supplier: Merck
Nutrients in Soil - PT, Supelco®, Proficiency Testing Material, : N/A
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Base/Neutrals 1 - WP, (CRM), Supelco®
Supplier: Merck
Base/Neutrals 1 - WP, Supelco®, Certified reference material, : N/A
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BTEX - Loamy sand 1, (CRM), Supelco®
Supplier: Merck
BTEX - Loamy Sand 1, Supelco®, Certified reference material, : N/A, Pkg of 30 g
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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
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Trace metals - baghouse dust, (CRM), Supelco®
Supplier: Merck
Trace Metals - Baghouse Dust, Supelco®, Certified reference material, : N/A, Pkg of 50 g
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Trace Metals 3 - WS, Proficiency Testing Material, Supelco®
Supplier: Merck
Trace Metals 3 - WS, Supelco®, Proficiency Testing Material, : N/A
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VOAS in Soil - Low Level - PT, Proficiency Testing Material, Supelco®
Supplier: Merck
VOAS in Soil - Low Level - PT, Supelco®, Proficiency Testing Material, : N/A
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Pesticides 2 - WP, proficiency testing material, Supelco®
Supplier: Merck
Pesticides 2 - WP, Supelco®, Proficiency Testing Material, 1 mL for dilution to 1L, : N/A
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Trace metals - sewage sludges, (CRM), Supelco®
Supplier: Merck
Trace Metals - Sewage Sludge 3, Supelco®, : N/A, Pkg of 40 g (dry)
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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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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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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