You searched for: standards

Supplier: Restek

These calibration mixtures are made with pure, highly characterized neat material and are prepared using NIST-traceable balances and weights. Each ampul is supplied with a data sheet indicating the exact concentration and a sample chromatogram.

Supplier: Restek

Mix Contains: Carbon disulfide (75-15-0); Chloroacetonitrile (107-14-2); 1-Chlorobutane (Butyl chloride) (109-69-3); trans-1,4-Dichloro-2-butene (110-57-6); 1,1-Dichloro-2-propanone (513-88-2); Diethyl ether (ethyl ether) (60-29-7); Hexachloroethane (67-72-1); Iodomethane (methyl iodide) (74-88-4); Methacrylonitrile (126-98-7); Methyl tert-butyl ether (MTBE) (1634-04-4); 2-Nitropropane (79-46-9); Propionitrile (107-12-0).

Supplier: Restek

Contains: Acenaphthene (83-32-9); Acenaphthylene (208-96-8); Anthracene (120-12-7); Benz(a)anthracene (56-55-3); Benzo(a)pyrene (50-32-8); Benzo(b)fluoranthene (205-99-2); Benzo(ghi)perylene (191-24-2); Benzo(k)fluoranthene (207-08-9); Chrysene (218-01-9); Dibenz(a,h)anthracene (53-70-3); Fluoranthene (206-44-0); Fluorene (86-73-7); Indeno(1,2,3-cd)pyrene (193-39-5); 1-Methylnaphthalene (90-12-0); 2-Methylnaphthalene (91-57-6); Naphthalene (91-20-3); Phenanthrene (85-01-8); Pyrene (129-00-0)

Supplier: Restek

Contains 1 ml each of these mixtures: 524 calibration mix #7A, 524 calibration mix #7B. calibration mix #7A contains Acetone (67-64-1), 2-Butanone (MEK) (78-93-3), 2-Hexanone (591-78-6), 4-Methyl-2-pentanone (MIBK) (108-10-1), Tetrahydrofuran (109-99-9); calibration mix #7B contains Acrylonitrile (107-13-1)
Allyl chloride (3-chloropropene) (107-05-1), Ethyl methacrylate (97-63-2), Methyl acrylate (96-33-3), Methyl methacrylate (80-62-6), Nitrobenzene (98-95-3), Pentachloroethane (76-01-7).

Supplier: Inorganic Ventures

Instrument Perform Check #3

Supplier: Inorganic Ventures

200.7WW Cal Solution #1A

Supplier: Inorganic Ventures

PerkinElmer ICP-MS Detector Calibration Solution

Supplier: Inorganic Ventures

10 Element Tuning Solution for ICP-MS

Supplier: SPEX CERTIPREP LLC

Claritas PPT® Grade Minerals Testing Kit for ICP-MS are designed for routinely analyzed minerals.

Supplier: USP

(100 mg)

Supplier: Hach

For accuracy checks in ammonia nitrogen determinations.

Supplier: USP

(50 mg)

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: MICROGENICS CORP (FKA DUKE) MS

COUNT-CAL™ count precision size standards, are easy to use product for validating liquid particle counters.

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)