8374 Results for: "certificate+of+analysis"

Supplier: Merck

Organophosphorus Pesticides Mix A, Supelco®, Certified reference material, 2000 mug/mL each component in hexane: acetone (9:1), : N/A

Supplier: Merck

EPA TCL Pesticides Mix, Supelco®, Certified reference material, 2000 mug/mL each component in hexane: toluene (1:1), : N/A

Supplier: Merck

EPA 608 Pesticides Mix, Supelco®, Certified reference material, 20 mug/mL each component in hexane: toluene (1:1), : N/A

Supplier: Merck

Tetrabutylammonium benzoate ≥99.0% (by titrimetric analysis) for electrochemical analysis, Supelco®

Supplier: VWR Chemicals

Standard solution hydrazine, VWR®, 100 mg/l

Supplier: Thermo Fisher Scientific

For US EPA Clean Water Act.

Supplier: VWR Chemicals

Standard solutions of sodium carbonate.

Supplier: VWR Chemicals

PAH mix in acetonitrile, 16 components, VWR®

Supplier: LGC Standards PROMOCHEM

This standard solution is intended for use as a calibration standard for total kjeldahl nitrogen (TKN).

Supplier: Merck

Nitrogen (total) standard solution, Supelco®, 2,50 mg/L N, Matrix: H₂O, For test kit(s): 1.00613; 1.14537, pH range: 5 - 7

Supplier: Merck

Minerals, Supelco®, Certified reference material, : N/A

Supplier: Merck

TOC linearity set, Supelco®, : N/A

Supplier: Thermo Fisher Scientific

Water, ECD tested for pesticide analysis for residue analysis

Supplier: Merck

Dioxin and Furans in Soil, Supelco®, Certified reference material, : N/A

Supplier: Merck

Chlorinated Pesticides in Soil, Supelco®, Certified reference material, : N/A

Supplier: Merck

PAH - Sediment 1, Supelco®, Certified reference material, : N/A, Pkg of 50 g

Supplier: Merck

EPA 610-N PAH Kit, Supelco®, Analytical standard, : N/A

Supplier: Merck

Dissolved Oxygen - Whole Volume, Supelco®, Certified reference material, : N/A

Supplier: Merck

Particulate Matter in Impinger Solution, Supelco®, Proficiency Testing Material, : N/A

Supplier: Merck

Trace Metals - Chalky Loam 1, Supelco®, Certified reference material, : N/A, Pkg of 50 g

Supplier: Merck

Trace Metals - Powdered Paint 1, Supelco®, Certified reference material, : N/A, Pkg of 20 g

Supplier: Merck

Nitroaromatics/Nitrosamine - Loamy Sand 1, Supelco®, Certified reference material, : N/A, Pkg of 10 g

Supplier: Merck

Trace Metals - Sewage Amended Soil, Supelco®, Certified reference material, : N/A, Pkg of 50 g

Supplier: Merck

Trace Metals 2 in Seawater - Whole Volume - WP, Supelco®, Proficiency Testing Material, : N/A

Supplier: Thermo Fisher Scientific

For US EPA Clean Water Act.

Supplier: Merck

EPA Phthalate Esters Mix, Supelco®, Certified reference material, 2000 mug/mL each component in hexane, : N/A

Supplier: Merck

EPA SS TCL Volatiles Mix 1, Supelco®, Certified reference material, 2000 mug/mL each component in methanol: water (9:1), : N/A

Supplier: Merck

EPA 8020/8240 Aromatic Volatiles Mix, Supelco®, Certified reference material, 100 mug/mL each component in methanol, : N/A

Supplier: Merck

MISA Group 17 Non-Halogen Organic Mix, Supelco®, Certified reference material, 2000 mug/mL each component in methanol, : N/A

Supplier: Merck

EPA 8270 Base-Neutral Surrogate Spike Mix, Supelco®, Certified reference material, 1000 mug/mL each component in dichloromethane, : N/A