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Potassium sodium tartrate tetrahydrate, 1 kg

≥99 %, USP
Pack Qty.
Seignette salt
Empirical formula C4H4KNaO6 · 4 H2O
Molar mass (M) 282,22 g/mol
Density (D) 1,79 g/cm³
Melting point (mp) 80 °C
CAS No. [6381-59-5]
EG-Nr. 205-698-2

€63.35/Pack Qty. 

excl. VAT. | 1 kg per Pack Qty.

Art. No. 7998.1

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Product details

Potassium sodium tartrate tetrahydrate ≥99 %, USP

Technical Information
Checked according to pharmacopoeia USP 
Potassium sodium tartrate tetrahydrate
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Order No. Pack Qty. Pack. Price Quantity
7998.1 1 kg plastic


7998.2 5 kg plastic


7998.3 500 g plastic


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General information


Certificates of Analysis

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The following analysis certificates have been found:

Guarantee analysis

Assay (dry substance)99.0-102.0 %
Water (KF)21.0-27.0 %
Loss on drying (150 °C)21.0-26.0 %
pH value (1 % in H2O)6.5-8.5
Ammonia (NH3)complies
Oxalate (as oxalic acid)≤0.01 %
Heavy metals (as Pb)≤0.001 %
Arsenic (As)≤0.0003 %
Lead (Pb)≤0.0005 %
Mercury (Hg)≤0.0001 %

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