8389 Results for: "certificate+of+analysis"

Supplier: Merck

Trace Metals - Fly Ash 3, Supelco®, Certified reference material, : N/A, Pkg of 50 g

Supplier: Merck

TCLP Metals - Sandy Loam 1, Supelco®, Certified reference material, : N/A, Pkg of 225 g

Supplier: Merck

Complex Nutrients in Seawater - Whole Volume - WP, Supelco®, Proficiency Testing Material, : N/A

Supplier: Merck

EPA TCL PAH Mix, Supelco®, Certified reference material, in acetonitrile: methanol (9:1) (varied), : N/A

Supplier: Merck

TOC standard, Supelco®, 100 mg/L+/-5 mg/L, : N/A, according to ISO/CEN EN1484

Supplier: Merck

EPA 8100 PAH Additional Components Mix, Supelco®, Certified reference material, 1000 mug/mL in dichloromethane, : N/A

Supplier: Merck

EPA 610 Polynuclear Aromatic Hydrocarbons Mixture, Supelco®, Certified reference material, in methanol: methylene chloride (1:1) (varied), : N/A

Supplier: Merck

EPA TCL Base/Neutrals Mix 1, Supelco®, Certified reference material, 2000 mug/mL each component in methylene chloride, : N/A

Supplier: Merck

SS TCL Polynuclear Aromatic Hydrocarbons Mix, Supelco®, Certified reference material, 2000 mug/mL each component in methylene chloride: benzene (1:1), : N/A

Supplier: Merck

Semivolatile Base/Neutrals Surrogate Spike Mix, Supelco®, Certified reference material, 5000 mug/mL each component in methylene chloride, : N/A

Supplier: Thermo Fisher Scientific

For US EPA Clean Water Act.

Supplier: Thermo Fisher Scientific

Starch Indicator Solution 1%, Standard Volumetric Solution, Acculute

Supplier: Thermo Fisher Scientific

Ground & Waste Water Pollution Standard Solution 2, Specpure®, Matrix: 2-5% HNO₃ + (CHOH)₂(COOH)₂

Supplier: Thermo Fisher Scientific

Ground & Waste Water Pollution Standard Solution 4, Specpure®, Matrix: 2-5% HNO₃ + (CHOH)₂(COOH)₂

Supplier: Thermo Fisher Scientific

n-Heptane 99+%, ECD tested for pesticide analysis for residue analysis

Supplier: Thermo Fisher Scientific

Standard for TOC based on potassium hydrogen phthalate (KHC₈H₄O₄).

Supplier: Thermo Fisher Scientific

Pyridine 99+% for analysis

Supplier: Thermo Fisher Scientific

Thiourea 99+% for analysis

Supplier: USP

USP Reference Standards are specified for use in conducting official USP–NF tests and assays. USP also provides Reference Standards specified in the Food Chemicals Codex as well as authentic substances—high-quality chemical samples—as a service to analytical, clinical, pharmaceutical and research laboratories. To confirm accuracy and reproducibility, USP Reference Standards are rigorously tested and evaluated by multiple independent laboratories including USP, commercial, regulatory, and academic labs. USP also provide publicly available, official documentary standards for pharmaceutical ingredients in the USP–NF that link directly with our primary reference standards.

Supplier: Thermo Fisher Scientific

Acetamide 99% for analysis

Supplier: Thermo Fisher Scientific

Molybdic acid for analysis

Supplier: Thermo Fisher Scientific

Nitromethane 99+% for analysis

Supplier: Thermo Fisher Scientific

Diethylamine 99.5% for analysis

Supplier: Thermo Fisher Scientific

Formamide 99.5% for analysis

Supplier: Avantor

Certificate of lot analysis provided.

Supplier: Thermo Fisher Scientific

Urea 99.5% for analysis

Supplier: Binder

Calibration certificate, temperature - temperature measurement incl. certificate, 9 measuring points at specified temperature, KB 65, KB 130, KB 260, KB 470, KB 720, KB 1060

Supplier: Thermo Fisher Scientific

Triethylamine 99.5% for analysis

Supplier: Thermo Fisher Scientific

Starch, soluble for analysis

Supplier: Merck

Methyl dodecylbenzene sulphonate ≥99% (by titrimetric analysis) for surfactant analysis, Sigma-Aldrich®