Our salts for analysis are manufactured under strict production guidelines. Analytical purity and best quality reliably characterize each batch. Salts in p.a. quality made by Carl ROTH meet the high requirements for reproducible results. Most of our salts are additionally specified according to international standards like ACS and ISO.
Definition:p.a.: pro analysi (for analysis)ACS: American Chemical SocietyISO: International Standard Organisation
Assay (acidim., dry substance) | ≥99,5 % |
In H2O insoluble matter | ≤0,005 % |
Loss on drying (285 °C) | ≤1,0 % |
Total sulphur (as SO4) | ≤0,003 % |
Total nitrogen (as N) | ≤0,001% |
Chloride (Cl) | ≤0,001 % |
Phosphate (PO4) | ≤0,001 % |
Silicate (SiO2) | ≤0,005 % |
Heavy metals | ≤0,0005 % |
Aluminium (Al) | ≤0,001 % |
Calcium (Ca) | ≤0,005 % |
Potassium (K) | ≤0,005 % |
Arsenic (As) | ≤0,0001 % |
Copper (Cu) | ≤0,0005 % |
Iron (Fe) | ≤0,0005 % |
Lead (Pb) | ≤0,0005 % |
Magnesium (Mg) | ≤0,002 % |