High purity inorganic chemicals for the pharmaceutical, aerospace, R&D, and electronic industries.
 

  Barker Reinvents the Possible

Tartaric Acid, Reagent A.C.S.

Assay: ≥99.0%
HOOC(CHOH)2COOH
MAXIMUM ALLOWABLE  
Insoluble matter: 0.005%
Residue after ignition: 0.02%
Chloride (Cl): 0.001%
Oxalate (C2O4): Passes test
Phosphate (PO4)): 0.001%
Sulfur compounds (as SO4): 0.002%
Heavy metals (as Pb): 5 ppm
Iron (Fe): 5 ppm