Potassium aluminium sulphate dodecahydrate, 1 kg
≥99 %, Ph.Eur.
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Pack Qty.
Pack.
Alum, Potassium alum, Aluminium potassium sulphate
Empirical formula KAI(SO4)2 · 12 H2O
Molar mass (M) 474,39 g/mol
Density (D) 1,75 g/cm³
Melting point (mp) 92,5 °C
WGK 1
CAS No. [7784-24-9]
EG-Nr. 233-141-3
Molar mass (M) 474,39 g/mol
Density (D) 1,75 g/cm³
Melting point (mp) 92,5 °C
WGK 1
CAS No. [7784-24-9]
EG-Nr. 233-141-3
CHF39.10/Pack Qty.
excl. VAT. | 1 kg per Pack Qty.
Art. No. CN78.2
Available at short notice
Free of shipping costs from 200 CHF
from 6 Pack Qty.
CHF37.14/Pack Qty.
from 24 Pack Qty.
CHF35.19/Pack Qty.
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Product details
Potassium aluminium sulphate dodecahydrate ≥99 %, Ph.Eur.
Technical Information
Checked according to pharmacopoeia | Ph.Eur. |
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Potassium aluminium sulphate dodecahydrate
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Order No. | Pack Qty. | Pack. | Price | Quantity | ||
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CN78.1 | 500 g | plastic | CHF27.30 |
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CN78.2 | 1 kg | plastic | CHF39.10 |
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CN78.3 | 5 kg | plastic | CHF139.90 |
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Certificates of Analysis
Guarantee analysis
Appearance | white fein crystals |
Assay | 99,0-100,5 % |
Identity | complies |
Loss on drying | 43-46 % |
Appearance of solution | complies |
pH-value (10 % in H2O) | 3,0-3,5 |
Ammonium (NH4) | ≤0,2 % |
Iron (Fe) | ≤0,01 % |
Heavy metals (as Pb) | ≤0,002 % |
Arsenic (As) | ≤0,0003 % |