≥99,5 %, p.a., ACS, ISO
For freezing mixtures; salting-out soap.
For molecular biology.
Common salt
Empirical formula NaCl
Molar mass (M) 58,44 g/mol
Dichtheid 2,17
Boiling point (bp) 1461 °C
Melting point (mp)801 °C
Oplosbaarheid: 358 g/l (H2O, 20 °C)
WGK 1
CAS No.[7647-14-5]
EG-Nr. 231-598-3
Technische informatie
Guarantee analysis: | |
Gehalte (arg.) | ≥99,5 % |
Appearance of solution | complies |
pH value (5 % in water) | 5,0-8,0 |
In H2O insoluble matter | ≤0,005 % |
Chlorate and nitrate (as NO3) | ≤0,003 % |
Hexacyanoferrate (II) [Fe(CN)6] | ≤0,0001 % |
Total nitrogen (as N) | ≤0,0005 % |
Phosphate (PO4) | ≤0,0005 % |
Sulphate (SO4) | ≤0,001 % |
Bromide (Br) | ≤0,005 % |
Iodide (I) | ≤0,001 % |
Iodide (I) | complies |
Aluminium (Al) | ≤0,0002 % |
Arsenic (As) | ≤0,00004 % |
Barium (Ba) | ≤0,001 % |
Barium (Ba) | complies |
Calcium (Ca) | ≤0,002 % |
Iron (Fe) | ≤0,0001 % |
Potassium (K) | ≤0,005 % |
Copper (Cu) | ≤0,0002 % |
Magnesium (Mg) | ≤0,001 % |
Nickel (Ni) | ≤0,001 % |
Heavy metals (as Pb) | ≤0,0005 % |
Magnesium, alkaline-earth metals (as Ca) | ≤0,001 % |
Loss on drying | ≤0,5 % |