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Potassium sodium tartrate tetrahydrate, 1 kg

≥99 %, p.a., ACS, ISO
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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
WGK 1
CAS No. 6381-59-5
EG-Nr. 205-698-2

Used as a constituent of Fehling's solution.

€91.30/Pack Qty. 

excl. VAT. | 1 kg per Pack Qty.

Art. No. 8087.1

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Potassium sodium tartrate tetrahydrate
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8087.1 1 kg plastic

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8087.2 500 g plastic

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8087.3 2.5 kg plastic

€198.90

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Downloads / MSDS


General information

Complexometry


Salts for Analysis

Our salts for analysis are manufactured under strict production guidelines. Analytical purity and best quality reliably characterize each batch. Salts in p.a. quality made by Carl ROTH meet the high requirements for reproducible results. Most of our salts are additionally specified according to international standards like ACS and ISO.

Definition:
p.a.: pro analysi (for analysis)ACS: American Chemical SocietyISO: International Standard Organisation


Salts


Certificates of Analysis

You can search for and download your certificate of analysis for the selected product here. Please provide your batch number.
The following analysis certificates have been found:

Guarantee analysis

Assay (perchloric acid titration)≥99 %
pH value (5 % in water)6,5-8,5
In H2O insoluble matter≤0.005 %
Chloride (Cl)≤0.001 %
Sulphate (SO4)≤0,005 %
Phosphate (PO4)≤0.002 %
Ammonium (NH4)≤0,002 %
Arsenic (As)≤0,00002 %
Lead (Pb)≤0,0002 %
Calcium (Ca)≤0.005 %
Iron (Fe)≤0.0005 %
Copper (Cu)≤0,0002 %
Magnesium (Mg)≤0,002 %
Nickel (Ni)≤0,0005 %
Heavy Metals (ICP-OES)≤0,0005 %