Carl ROTH offers an extensive range of calibration and control standards. These products are manufactured from highly pure starting material and are specially tested for each application. The corresponding batch-specific certificate of analysis is available online. Each product series offers excellent value for money.
Total content of C8H10-isomeres (GC) | ≥99,0 % |
Colour (Hazen) | ≤10 |
Water | ≤0,03 % |
Acidity | ≤0,00025 meq/g |
Alkalinity | ≤0,00025 meq/g |
Density (d 20 °C/4 °C) | 0,862-0,870 |
Evaporation residue | ≤0,001 % |
Benzene (GC) | ≤0,1 % |
Toluene (GC) | ≤0,1 % |
Ethylbenzene (GC) | ≤25 % |
Aluminium (Al) | ≤0,00005 % |
Barium (Ba) | ≤0,00001 % |
Lead (Pb) | ≤0,00001 % |
Boron (B) | ≤0,000002 % |
Cadmium (Cd) | ≤0,000005 % |
Calcium (Ca) | ≤0,00005 % |
Chromium (Cr) | ≤0,000002 % |
Iron (Fe) | ≤0,00001 % |
Cobalt (Co) | ≤0,000002 % |
Copper (Cu) | ≤0,000002 % |
Magnesium (Mg) | ≤0,00001 % |
Manganese (Mn) | ≤0,000002 % |
Nickel (Ni) | ≤0,000002 % |
Tin (Sn) | ≤0,00001 % |
Zinc (Zn) | ≤0,00001 % |
Thiophene | complies |
Sulphur compounds (as S) | ≤0,003 % |
Matter discoloured by H2SO4 (Hazen) | complies |