Síran zinečnatý heptahydrát ≥99.5%, AnalaR NORMAPUR® analytical reagent
Dodávateľ: VWR Chemicals
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Nebezpečí
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29253.460EA
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EUR
29253.460
29253.293
29253.260
29253.236
Síran zinečnatý heptahydrát ≥99.5%, AnalaR NORMAPUR® analytical reagent
Síran zinečnatý heptahydrát
Vzorec:
ZnSO₄·7H₂O Mw: 287,54 g/mol Teplota tavenia: 100 °C Hustota: 1,97 g/cm³ (20 °C) Skladovacia teplota: Ambient |
Číslo MDL:
MFCD00149894 Číslo CAS: 7446-20-0 EINECS: 231-793-3 OSN: 3077 ADR: 9,III Merck Index: 12,10293 |
Výsledky špecifikačného testu
Assay | ≥ 99.5 % |
Solution in water | Passes test |
pH (25°C; 5 %) | 4.4 - 6.0 |
Insolubility in water | ≤ 100 ppm |
Cl (Chloride) | ≤ 5 ppm |
Total N (Nitrogen) | ≤ 5 ppm |
As (Arsenic) | ≤ 0.5 ppm |
Ca (Calcium) | ≤ 10 ppm |
Cd (Cadmium) | ≤ 5 ppm |
Cu (Copper) | ≤ 5 ppm |
Fe (Iron) | ≤ 5 ppm |
K (Potassium) | ≤ 10 ppm |
Li (Lithium) | ≤ 10 ppm |
Mn (Manganese) | ≤ 3 ppm |
Na (Sodium) | ≤ 10 ppm |
Pb (Lead) | ≤ 20 ppm |
Sr (Strontium) | ≤ 5 ppm |
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