You searched for: Standards

Supplier: Hach

DPD chlorine, low range, 0 to 2 mg/L as Cl₂.

Supplier: Invitrogen

Pierce Reserpine Standard for LC-MS is a precise concentration of reserpine specifically designed for performance evaluation of mass spectrometers, including the Thermo Scientific ion trap and TSQ series of instruments.

Supplier: Hach

For accuracy checks in color determinations.

Supplier: USP

Supplier: USP

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

Supplier: USP

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

Supplier: Hach

For accuracy checks in iron determinations.

Supplier: USP

(100 mg)

Supplier: USP

(200 mg)

Supplier: USP

(100 mg)

Supplier: USP

(125 mg)

Supplier: Hach

Standard solution for accuracy checks in copper determinations.

Supplier: USP

(100 mg)

Supplier: USP

It is a mixture of α and β-isomers of calcium gluceptate as the dihydrate.

Supplier: USP

(500 mg)

Supplier: USP

(50 mg)

Supplier: LUMINEX MS

MAGPIX® Calibration and Verification Kits, Luminex

Supplier: Anaspec Inc

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

Supplier: Invitrogen

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: Inorganic Ventures

Certified reference material, traceable to NIST.

Supplier: Hach

Standard solutions for accuracy checks in nitrate nitrogen determinations and also for meter calibrations/standardisation.

Supplier: Hach

Stablcal® verification kit containing 0.10 NTU, 0.30 NTU, 0.50 NTU, 1.0 NTU standards (100 ml each), sililcone oil, oiling cloth and instructions is used for verification purpose only.

Supplier: USP

(250 mg) (Vitamin E Acetate)

Supplier: USP

(400 mg)

Supplier: USP

(0.5 mL)

Supplier: USP

(200 mg)

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: Hach

For accuracy checks in detergents (surfactants) determinations.

Supplier: Invitrogen

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

Supplier: Hach

Calibration solutions for Lico spectral colorimeter.