You searched for: standards

Supplier: SPEX CERTIPREP LLC

Ion chromatography and ion selective electrode standards.

Supplier: SPEX CERTIPREP LLC

Ion chromatography and ion selective electrode standards.

Supplier: Restek

Environmental air sampling gas standards meet lab requirements for two separate sources of calibration standards.

Supplier: SPEX CERTIPREP LLC

Certified for TDS, TS, and TSS

Supplier: Restek

Consists of nine components, those are azinphos methyl, chlorpyrifos, diazinon, dimethoate, malathion, parathion, phorate, temephos and terbufos .

Supplier: Cayman Chemical Company

An internal standard for the quantification of XLR11 N-(4-hydroxypentyl) metabolite by GC- or LC-MS

Supplier: Cayman Chemical Company

An internal standard for the quantification of AB-PINACA N-pentanoic acid metabolite by GC- or LC-MS

Supplier: Electron Microscopy Sciences

The MAG*I*CAL™ is a magnification calibration standard for transmission electron microscopes.

Supplier: SPEX CERTIPREP LLC

USP Standard.

Supplier: ROCKLABS (W/T) CA

Rocklabs Gold Standards are reference materials that are certified for either Pt, Pd, Au or Ag

Supplier: Restek

This consists of acetaldehyde-DNPH; acetone-DNPH; acrolein-DNPH; benzaldehyde-DNPH; n-butyraldehyde-DNPH; crotonaldehyde-DNPH; 2,5-dimethylbenzaldehyde-DNPH; formaldehyde-DNPH; hexaldehyde-DNPH; isovaleraldehyde-DNPH; propionaldehyde-DNPH; m-tolualdehyde-DNPH; o-Tolualdehyde-DNPH; p-tolualdehyde-DNPH and aleraldehyde-DNPH.

Supplier: TCI America

Reference Material of Diluting Gasoline, Certified by The Japan Petroleum Institute, TCI America

Supplier: Electron Microscopy Sciences

All MAC X-ray Microanalysis standards are suitable for electron-beam energy dispersive or wavelength dispersive X-ray microanalysis systems

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: SPEX CERTIPREP LLC

USP Standard.

Supplier: SPEX CERTIPREP LLC

USP Standard.

Supplier: Restek

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

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: MICROGENICS CORP (FKA DUKE) MS

These Nanosphere™ size standards are excellent for use with any application that requires a NIST™ traceable size standard with a very narrow standard deviation.

Supplier: Ricca Chemical

Appearance: Clear colorless to slight color, odorless

Supplier: Hach

Stablcal Stabilised Formazin Turbidity Standards are true formazin dilutions developed for use in any turbidimeter.

Supplier: Restek

Contains: 30042: 502.2 Calibration Mix #1 (gases); Bromomethane (methyl bromide) (74-83-9); Chloroethane (ethyl chloride) (75-00-3); Chloromethane (methyl chloride) (74-87-3); Dichlorodifluoromethane (CFC-12) (75-71-8); Trichlorofluoromethane (CFC-11) (75-69-4); Vinyl chloride (75-01-4);30431: 502.2 MegaMix Standard; Benzene (71-43-2); Bromobenzene (108-86-1); Bromochloromethane (74-97-5); Bromodichloromethane (75-27-4); Bromoform (75-25-2); n-Butylbenzene (104-51-8); sec-Butylbenzene (135-98-8); tert-Butylbenzene (98-06-6); Carbon tetrachloride (56-23-5); Chlorobenzene (108-90-7); Chloroform (67-66-3); 2-Chlorotoluene (95-49-8); 4-Chlorotoluene (106-43-4); Dibromochloromethane (124-48-1); 1,2-Dibromo-3-chloropropane (DBCP) (96-12-8); 1,2-Dibromoethane (EDB) (106-93-4); Dibromomethane (74-95-3); 1,2-Dichlorobenzene (95-50-1); 1,3-Dichlorobenzene (541-73-1); 1,4-Dichlorobenzene (106-46-7); 1,1-Dichloroethane (75-34-3); 1,2-Dichloroethane (107-06-2); 1,1-Dichloroethene (75-35-4); cis-1,2-Dichloroethene (156-59-2); trans-1,2-Dichloroethene (156-60-5); 1,2-Dichloropropane (78-87-5); 1,3-Dichloropropane (142-28-9); 2,2-Dichloropropane (594-20-7); 1,1-Dichloropropene (563-58-6); cis-1,3-Dichloropropene (10061-01-5); trans-1,3-Dichloropropene (10061-02-6); Ethylbenzene (100-41-4); Hexachloro-1,3-butadiene (hexachlorobutadiene) (87-68-3); Isopropylbenzene (cumene) (98-82-8); 4-Isopropyltoluene (p-cymene) (99-87-6); Methylene chloride (dichloromethane) (75-09-2); Naphthalene (91-20-3); n-Propylbenzene (103-65-1); Styrene (100-42-5); 1,1,1,2-Tetrachloroethane (630-20-6); 1,1,2,2-Tetrachloroethane (79-34-5); Tetrachloroethene (127-18-4); Toluene (108-88-3); 1,2,3-Trichlorobenzene (87-61-6); 1,2,4-Trichlorobenzene (120-82-1); 1,1,1-Trichloroethane (71-55-6); 1,1,2-Trichloroethane (79-00-5); Trichloroethene (79-01-6); 1,2,3-Trichloropropane (96-18-4); 1,2,4-Trimethylbenzene (95-63-6); 1,3,5-Trimethylbenzene (108-67-8); m-Xylene (108-38-3); o-Xylene (95-47-6); p-Xylene (106-42-3);30300: 524 Calibration Mix #7A; 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);30304: 524 Calibration Mix #7B; 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);30203: 524 Calibration Mix #8; 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);30201: 524 Internal Standard/Surrogate Mix; 1-Bromo-4-fluorobenzene (BFB) (460-00-4); 1,2-Dichlorobenzene-d4 (2199-69-1); Fluorobenzene (462-06-6)

Supplier: Restek

Contains: Benzene (71-43-2); Bromodichloromethane (75-27-4); Bromoform (75-25-2); Carbon disulfide (75-15-0); Carbon tetrachloride (56-23-5); Chlorobenzene (108-90-7); Chloroform (67-66-3); Cyclohexane (110-82-7); Dibromochloromethane (124-48-1); 1,2-Dibromo-3-chloropropane (DBCP) (96-12-8); 1,2-Dibromoethane (EDB) (106-93-4); 1,2-Dichlorobenzene (95-50-1); 1,3-Dichlorobenzene (541-73-1); 1,4-Dichlorobenzene (106-46-7); 1,1-Dichloroethane (75-34-3); 1,2-Dichloroethane (107-06-2); 1,1-Dichloroethene (75-35-4); cis-1,2-Dichloroethene (156-59-2); trans-1,2-Dichloroethene (156-60-5); 1,2-Dichloropropane (78-87-5); cis-1,3-Dichloropropene (10061-01-5); trans-1,3-Dichloropropene (10061-02-6); Ethylbenzene (100-41-4); Isopropylbenzene (cumene) (98-82-8); Methyl acetate (79-20-9); Methyl tert-butyl ether (MTBE) (1634-04-4); Methylcyclohexane (108-87-2); Methylene chloride (dichloromethane) (75-09-2); Styrene (100-42-5); 1,1,2,2-Tetrachloroethane (79-34-5); Tetrachloroethene (127-18-4); Toluene (108-88-3); 1,2,4-Trichlorobenzene (120-82-1); 1,1,1-Trichloroethane (71-55-6); 1,1,2-Trichloroethane (79-00-5); Trichloroethene (79-01-6); 1,1,2-Trichloro-1,2,2-trifluoroethane (CFC-113) (76-13-1); m-Xylene (108-38-3); o-Xylene (95-47-6); p-Xylene (106-42-3).

Supplier: Restek

Environmental air sampling gas standards meet lab requirements for two separate sources of calibration standards.

Supplier: LaMotte

Potassium chloride solutions can be used to standardize conductivity meters

Supplier: Restek

Environmental air sampling gas standards meet lab requirements for two separate sources of calibration standards.

Supplier: Restek

Supplier: YSI

Use YSI Conductivity Solutions to calibrate conductivity cell and meter together as a system for maximum measurement accuracy.

Supplier: Hach

Turbidity Standard, Stablcal® Turbidity Standards Calibration Kit, 0.1 NTU, 20 NTU, 200 NTU, 1000 NTU, 4000 NTU, Type: Formazine

Supplier: Restek

Standard is packaged in purge-and-trap-grade methanol at a concentration of 2000 µg/mL in a 1 mL ampoule.