You searched for: Standards

Supplier: Hach

For calibrations/accuracy checks on conductivity/salinity meters.

Supplier: USP

(11,000 USP Endotoxin Units) (COLD SHIPMENT REQUIRED)

Supplier: USP

(30 mg/ampule; 5 ampules) (Vitamin D2)

Supplier: Restek

This contains: n-butyl acetate; ethyl acetate; isopropyl acetate; n-propyl acetate; vinyl acetate.

Supplier: LaMotte

Tests for Nine Essential Minor Elements

Supplier: SPEX CERTIPREP LLC

Ensure state and accreditation regulation compliance with proficiency testing.

Supplier: Ultra Scientific

Mixture is packaged in methyl alcohol in 1 mL ampules.

Supplier: SPEX CERTIPREP LLC

Meet or exceed performance criteria with QC samples.

Supplier: SPEX CERTIPREP LLC

Meet or exceed performance criteria with QC samples.

Supplier: Restek

For the infrared spectrophotometric method for the determination of Total Recoverable Petroleum Hydrocarbons.

Supplier: SPEX CERTIPREP LLC

Meet or exceed performance criteria with QC samples.

Supplier: SPEX CERTIPREP LLC

Meet or exceed performance criteria with QC samples.

Supplier: SPEX CERTIPREP LLC

Meet or exceed performance criteria with QC samples.

Supplier: SPEX CERTIPREP LLC

Meet or exceed performance criteria with QC samples.

Supplier: Restek

Mix contains: Allyl alcohol (2-propen-1-ol) (107-18-6); 2-Chloroethanol (107-07-3); Ethanol (64-17-5); Isobutyl alcohol (78-83-1); Propargyl alcohol (107-19-7).

Supplier: Restek

Mix contains: Acrylonitrile (107-13-1); Ethyl methacrylate (97-63-2); Malononitrile (109-77-3); Methacrylonitrile (126-98-7); Methyl methacrylate (80-62-6); Propionitrile (107-12-0); Styrene (100-42-5).

Supplier: SPEX CERTIPREP LLC

CLP Series Methods: The US EPA retains analytical services through the Contract Laboratory Program (CLP). The CLP follows detailed SOPs derived from EPA methods and SW-846. The CLP Volatile Organic Analysis Method is an analytical method for the analysis of aqueous or solid samples for VOCs by GC/MS.

Supplier: Restek

Subsurface degradation of fuel oil spills can be estimated by examining the ratios of C17/pristane and C18/phytane. To assist in identifying these four compounds from the complex fuel oil analysis, Restek offer a product that contains these compounds for retention time determination.

Supplier: SPEX CERTIPREP LLC

Volatiles, CLP Series Methods: The US EPA retains analytical services through the Contract Laboratory Program (CLP). The CLP follows detailed SOPs derived from EPA methods and SW-846. The CLP Volatile Organic Analysis Method is an analytical method for the analysis of aqueous or solid samples for VOCs by GC/MS.

Supplier: USP

(250 mg) (Vitamin E Acetate)

Supplier: Hach

For accuracy checks in color determinations.

Supplier: FIREFLYSCI, INC.

Firefly's upgraded and improved version of the NIST-2031 UV/VIS photometric accuracy kit.

Supplier: Electron Microscopy Sciences

This set consists of 14 rare earth compounds dispersed onto holey carbon films (3.05 mm, 400# copper grid).

Supplier: FIREFLYSCI, INC.

Firefly's equivalent of the NIST SRM 1930 calibration reference kit for testing photometric accuracy in the VIS range (400 to 700 nm).

Supplier: WTW

ORP test solution for electrolyte cleaning agents to test, service ORP electrodes easy conditioning and cleaning.

Supplier: Restek

benzidine, 3,3'-dichlorobenzidine. 2,000ug/mL each in methanol 1mL/ampule.

Supplier: Luster Leaf

Illustrate the Chemical Variety in Soil

Supplier: LaMotte

Safe, easy, economical test for three factors.

Supplier: SPEX CERTIPREP LLC

Meet or exceed performance criteria with QC samples.

Supplier: SPEX CERTIPREP LLC

Meet or exceed performance criteria with QC samples.