Hóa chất Hydrochloric acid 37% (HCL 37%), Code 20252.290
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- Xuất xứ
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Hóa chất Hydrochloric acid 37% (HCL 37%)
Code 20252.290
Xuất Xứ : VWR - Pháp
Dùng trong phòng thí nghiệm
Thông số kỹ thuật
|
Assay |
35.0 - 38.0 % |
|
Appearance |
Clear colourless liquid |
|
Appearance of solution |
Passes test Ph.Eur. |
|
Identification A |
Passes test Ph.Eur. |
|
Identification B |
Passes test Ph.Eur. |
|
Colouration |
Max. 10 APHA |
|
Density (20/4) |
1.174 - 1.193 |
|
Evaporation residue |
Max. 100 ppm |
|
Free chlorine |
Max. 1 ppm |
|
Heavy metals (as Pb) |
Max. 2 ppm |
|
Ignition residue (SO4) |
Max. 5 ppm |
|
Reducing substances (as O) |
Max. 4 ppm |
|
Br (Bromide) |
Max. 5 ppm |
|
NH4 (Ammonium) |
Max. 1 ppm |
|
PO4 (Phosphate) |
Max. 0.5 ppm |
|
SO3 (Sulphite) |
Max. 1 ppm |
|
SO4 (Sulphate) |
Max. 1 ppm |
|
Al (Aluminium) |
Max. 0.2 ppm |
|
As (Arsenic) |
Max. 0.01 ppm |
|
Ba (Barium) |
Max. 0.02 ppm |
|
Be (Beryllium) |
Max. 0.01 ppm |
|
Bi (Bismuth) |
Max. 0.02 ppm |
|
Ca (Calcium) |
Max. 1 ppm |
|
Cd (Cadmium) |
Max. 0.01 ppm |
|
Co (Cobalt) |
Max. 0.01 ppm |
|
Cr (Chromium) |
Max. 0.07 ppm |
|
Cu (Copper) |
Max. 0.1 ppm |
|
Fe (Iron) |
Max. 0.3 ppm |
|
Ge (Germanium) |
Max. 0.02 ppm |
|
Hg (Mercury) |
Max. 0.01 ppm |
|
K (Potassium) |
Max. 0.1 ppm |
|
Li (Lithium) |
Max. 0.01 ppm |
|
Mg (Magnesium) |
Max. 0.1 ppm |
|
Mn (Manganese) |
Max. 0.01 ppm |
|
Mo (Molybdenum) |
Max. 0.02 ppm |
|
Na (Sodium) |
Max. 0.5 ppm |
|
Ni (Nickel) |
Max. 0.04 ppm |
|
Pb (Lead) |
Max. 0.02 ppm |
|
Sr (Strontium) |
Max. 0.01 ppm |
|
Ti (Titanium) |
Max. 0.02 ppm |
|
Tl (Thallium) |
Max. 0.02 ppm |
|
V (Vanadium) |
Max. 0.02 ppm |
|
Zn (Zinc) |
Max. 0.5 ppm |
|
Zr (Zirconium) |
Max. 0.02 ppm |
|
Conforms to Reag. Ph.Eur. |
Passes test |