MERCK – 108087 Potassium Sodium Tartrate Tetrahydrate for Analysis EMSURE

Specifications
Assay (alkalimetric) : 99.0 – 102.0 %
Insoluble matter : ≤ 0.005 %
pH-value (5 %; water; 25 °C) : 7.0 – 8.5
Chloride (Cl) : ≤ 0.0005 %
Phosphate (PO₄) : ≤ 0.001 %
Sulfate (SO₄) : ≤ 0.005 %
Heavy metals (as Pb) : ≤ 0.0005 %
Ca (Calcium) : ≤ 0.004 %
Cu (Copper) : ≤ 0.0005 %
Fe (Iron) : ≤ 0.0005 %
NH₄ (Ammonium) : ≤ 0.002 %
Pb (Lead) : ≤ 0.0005 %

 

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MERCK – 108087 Potassium Sodium Tartrate Tetrahydrate for Analysis EMSURE

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