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Síran zinečnatý heptahydrát ≥99.5%, AnalaR NORMAPUR® analytical reagent

Dodávateľ: VWR Chemicals
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29253.460EA 0 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

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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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