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di-Ammonium tartrate, for analysis, ExpertQ®

- Synonyms: Tartaric acid diammonium salt
- C4H12N2O6
- M = 184,15 g/mol
- CAS [3164-29-2]
- EINECS-No.: 221-618-9
- Solub. in water: (15 ºC): 63 g/l
- Tariff number: 2918 13 00 90
- Applications: analytical chemistry, laboratory reagent.

SPECIFICATIONS
assay (acidimetric): min. 99 %
insoluble in water: max. 0,005 %
pH (5 %, H2O): 5,5 - 7,0
chlorides (Cl): max. 0,001 %
phosphates (as PO4): max. 0,001 %
sulfates (SO4): max. 0,005 %
arsenic (As): max. 0,5 ppm
copper (Cu): max. 0,0005 %
heavy metals (as Pb): max. 0,0005 %
iron (Fe): max. 0,0005 %
lead (Pb): max. 0,0005 %
nickel (Ni): max. 0,0005 %
residue on ignition (as SO4): max. 0,05 %