You searched for: Standards

Supplier: Restek

Contains: Chloroform (67-66-3); 1,1-Dichloroethene (75-35-4); 1,2-Dichloropropane (78-87-5); Ethylbenzene (100-41-4); Toluene (108-88-3); Vinyl chloride (75-01-4)

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: 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: Anaspec Inc

pH-dependent fluorescence; Maximum intensity observed in basic solutions.

Supplier: Restek

Transportable pure gases and mixtures are ideal for peak identification work.

Supplier: Restek

Mix contains: 1,2-Dibromo-3-chloropropane (DBCP) (96-12-8), 1,2-Dibromoethane (EDB) (106-93-4).

Supplier: Restek

Contains eight components, those are 2-chlorobiphenyl, 2,3-dichlorobiphenyl, 2,4,5-trichlorobiphenyl, 2,2',4,4'-tetrachlorobiphenyl, 2,2',3',4,6-pentachlorobiphenyl, 2,2',4,4',5,6'-hexachlorobiphenyl, 2,2',3,3',4,4',6-heptachlorobiphenyl and 2,2',3,3',4,5',6,6'-octachlorobiphenyl.

Supplier: Restek

Marine Oil FAME Mix

Supplier: Restek

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

Supplier: Restek

The mix consists of alachlor, atrazine, cyanazine (bladex), metolachlor, metribuzin, prometryne, simazine.

Supplier: SPEX CERTIPREP LLC

Ensure state and accreditation regulation compliance with proficiency testing.

Supplier: SPEX CERTIPREP LLC

Meet or exceed performance criteria with QC samples.

Supplier: Restek

Consists of 11 components, those are bromoxynil, 2,4-d, dicamba, 2,4-dichlorophenol, diclofop methyl, dinoseb, pentachlorophenol, picloram, 2,4,5-t, 2,3,4,6-tetrachlorophenol and 2,4,6-trichlorophenol.

Supplier: Restek

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

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: 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: FIREFLYSCI, INC.

Broad range solid-state standard kit for checking photometric accuracy, wavelength accuracy and stray light in the VIS range.

Supplier: LAB SCIENTIFIC BIOKEMIX, INC. MS

Used as a standard for all blotting.

Supplier: Thermo Scientific

Ion calibration solution are mixtures of highly purified ionizable molecules specifically designed for negative mode calibration of ion trap and orbitrap instruments.

Supplier: Electron Microscopy Sciences

Reflected light calibration slide with 0.1" length scale subdivided into 0.001" divisions.

Supplier: Thermo Scientific

This triple Quadrupole Calibration Solution is a mixture of high purity, ionizable components specifically designed for positive mode calibration of triple stage quadrupole instruments.

Supplier: Thermo Scientific

The Thermo Scientific Pierce LTQ ESI Positive Ion Calibration Solution is a mixture of highly purified ionizable molecules specifically designed for positive mode calibration of Thermo Scientific ion trap and orbitrap instruments.

Supplier: FIREFLYSCI, INC.

FireflySci's equivalent of the NIST SRM 930e calibration reference kit for testing photometric accuracy in the VIS range (400 to 700 nm). This kit comes with Firefly's Lifetime Warranty and never requires recalibration.