You searched for: Standards

Supplier: USP

(50 mg) (Calcium Formyltetrahydrofolate)

Supplier: Hach

For calibrations/accuracy checks on conductivity/salinity meters.

Supplier: Invitrogen

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: Inorganic Ventures

Cesium ionization buffer, 1% for ICP is a reference material set in a nitric acid matrix for stability.

Supplier: Hach

For accuracy checks in detergents (surfactants) determinations.

Supplier: Hach

For accuracy checks in ammonia nitrogen determinations.

Supplier: Restek

Contains: Acetonitrile (75-05-8); Acrylonitrile (107-13-1); Allyl chloride (3-chloropropene) (107-05-1); 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 disulfide (75-15-0); Carbon tetrachloride (56-23-5); Chlorobenzene (108-90-7); 2-Chloroethanol (107-07-3); Chloroform (67-66-3); Chloroprene (2-chloro-1,3-butadiene) (126-99-8); 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); cis-1,4-Dichloro-2-butene (1476-11-5); trans-1,4-Dichloro-2-butene (110-57-6); 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); Diethyl ether (ethyl ether) (60-29-7); 1,4-Dioxane (123-91-1); Ethylbenzene (100-41-4); Ethyl methacrylate (97-63-2); Hexachloro-1,3-butadiene (87-68-3); Iodomethane (methyl iodide) (74-88-4); Isobutyl alcohol (2-methyl-1-propanol) (78-83-1); Isopropylbenzene (cumene) (98-82-8); 4-Isopropyl toluene (p-Cymene) (99-87-6); Methacrylonitrile (126-98-7); Methyl acrylate (96-33-3); Methyl methacrylate (80-62-6); Methylene chloride (dichloromethane) (75-09-2); Naphthalene (91-20-3); Nitrobenzene (98-95-3); 2-Nitropropane (79-46-9); Pentachloroethane (76-01-7); Propionitrile (107-12-0); 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); Tetrahydrofuran (109-99-9); 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); 1,1,2-Trichlorotrifluoroethane (CFC-113) (76-13-1); 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)

Supplier: Pickering Labs

This is an pesticide and herbicide analysis kit

Supplier: Invitrogen

This triple quadrupole calibration solution, extended mass range, is a mixture of 14 highly pure, ionizable components designed for both positive and negative ionization calibration of triple stage quadrupole instruments.

Supplier: Hach

Used for determination of sulphite by burette iodometric titration.

Supplier: Matrix Scientific

CAS #: 446-72-0
Molecular weight: 270.24
Molecular formula: C15H10O5
MDL #: MFCD00016952
Hazard code(s): Irritant

Supplier: Inorganic Ventures

Nitric acid rinse is a reference material set in a nitric acid matrix for stability.

Supplier: Hach

TCMP - 2-chloro-6 (trichloromethyl) pyridine (N-Serve), coated on an inert substrate.

Supplier: Matrix Scientific

CAS #: 56-75-7
Molecular weight: 323.13
Melting point: 151°C
Molecular formula: C11H12Cl2N2O5
MDL #: MFCD00007360
Hazard code(s): Irritant

Supplier: Invitrogen

Pierce peptide retention time calibration mixture enables reversed phase liquid chromatography (LC) and mass spectrometry (LC-MS) users to optimize and confirm correct operation of their equipment.

Supplier: USP

Particle count - Suspension - 25 mL: 15 µm Polystyrene microspheres in aqueous suspension
Particle count - Blank - 25 mL: Contains the aqueous phase without added particle