Síran zinečnatý heptahydrát 99.5% p.a.
Dodavatel: Thermo Scientific
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Nebezpečí
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205980010
205982500
205980050
ACRO205980010EA
3680
CZK
ACRO205980010
ACRO205982500
ACRO205980050
Síran zinečnatý heptahydrát 99.5% p.a.
Síran zinečnatý heptahydrát
Vzorec:
ZnSO₄·7H₂O Bod tání: 100 °C Hustota: 1,97 g/cm³ (20 °C) Storage Temperature: Ambient |
MDL Number:
MFCD00149894 CAS číslo: 7446-20-0 EINECS: 231-793-3 UN: 3077 ADR: 9,III Merck Index: 12,10293 |
Výsledky specifikačního testu
Appearance | White Crystalline powder or crystals and/or chunks |
Titration Complexometric | ≥99.4 % |
pH | 4.4 to 6.0 (5 % at 25°C) |
Chloride (Cl) | ≤5 ppm |
Arsenic (As) | ≤1 ppm |
Iron (Fe) | ≤10 ppm |
Lead (Pb) | ≤10 ppm |
Manganese (Mn) | ≤3 ppm |
Potassium (K) | ≤10 ppm |
Sodium (Na) | ≤10 ppm |
Nitrogen compounds (as N) | ≤0.002 % |
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