Zinksulfat heptahydrat 99.5% for analysis

Leverantör: Thermo Scientific
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205980010 205982500 205980050
ACRO205980010EA 1850 SEK
ACRO205980010 ACRO205982500 ACRO205980050
Zinksulfat heptahydrat 99.5% for analysis
Zinksulfat heptahydrat
Formel: ZnSO₄·7H₂O
MW: 287,54 g/mol
Smältpunkt: 100 °C
Densitet: 1,97 g/cm³ (20 °C)
Storage Temperature: Omgivande
MDL Number: MFCD00149894
CAS nummer: 7446-20-0
EINECS: 231-793-3
UN: 3077
ADR: 9,III
Merck Index: 12,10293

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Specifikation testresultat

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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