Sigma-Aldrich Di-Sodium Tartrate Dihydra

Quality Level

300

Product Line

EMSURE^®

Assay

≥99.5% (perchloric acid titration)

Form

powder

pH

8 (25 °C, 50 g/L in H₂O)

Solubility

290 g/L

Density

1.82 g/cm³

Bulk Density

460 kg/M³

Anion Traces

chloride (Cl^-): ≤0.0005%
phosphate (PO₄ ^3-): ≤0.0005%
sulfate (SO₄ ^2-): ≤0.002%

Cation Traces

Ca: ≤0.005%
Fe: ≤0.0005%
N: ≤0.002%
heavy metals (as Pb): ≤0.0005%

Related Categories

Salts

Analysis Note

Assay (perchloric acid titration): ≥ 99.5 %
pH-value (5 %; water): 7.0 - 8.0
Chloride (Cl): ≤ 0.0005 %
Phosphate (PO₄): ≤ 0.0005 %
Sulfate (SO₄): ≤ 0.002 %
Total nitrogen (N): ≤ 0.002 %
Heavy metals (as Pb): ≤ 0.0005 %
Ca (Calcium): ≤ 0.005 %
Fe (Iron): ≤ 0.0005 %EMSURE is a registered trademark of Merck KGaA, Darmstadt, Germany