108883 Seng sulfat heptahidrat untuk analisis EMSURE® ACS,ISO,Reag. Ph Eur
atau disebut juga : Zinc vitriol
Simpan pada +5°C hingga +30°C.
Assay (complexometric) | 99.5 - 103.0 % |
Identity | passes test |
Appearance of solution | passes test |
Insoluble matter | ≤ 0.01 % |
pH-value (5 %; water, 25 °C) | 4.4 - 5.6 |
Chloride (Cl) | ≤ 0.0005 % |
Total nitrogen (N) | ≤ 0.0005 % |
Nitrate (NO₃) | ≤ 0.002 % |
As (Arsenic) | ≤ 0.00005 % |
Ca (Calcium) | ≤ 0.001 % |
Cd (Cadmium) | ≤ 0.0005 % |
Cu (Copper) | ≤ 0.0005 % |
Fe (Iron) | ≤ 0.0005 % |
K (Potassium) | ≤ 0.001 % |
Mg (Magnesium) | ≤ 0.001 % |
Mn (Manganese) | ≤ 0.0003 % |
Na (Sodium) | ≤ 0.001 % |
NH₄ (Ammonium) | ≤ 0.001 % |
Pb (Lead) | ≤ 0.001 % |
Corresponds to ACS, ISO, Reag. Ph Eur |