Thiourea - 88810H
Code: 88810H
Thiourea
puriss. p.a., ACS reagent, ≥99.0%
ACS Reagent
| Property |
Value |
| Assay (excluding dried substances) |
min. 99.0 % |
| Melting point |
174 - 177 °C |
| Loss on drying (105°C, 2 h) |
max. 0.5 % |
| Sulfated ash |
max. 0.1 % |
| Cadmium (Cd) |
max. 5 ppm |
| Cobalt (Co) |
max. 5 ppm |
| Chromium (Cr) |
max. 5 ppm |
| Copper (Cu) |
max. 5 ppm |
| Iron (Fe) |
max. 5 ppm |
| Potassium (K) |
max. 50 ppm |
| Magnesium (Mg) |
max. 10 ppm |
| Manganese (Mn) |
max. 5 ppm |
| Sodium (Na) |
max. 50 ppm |
| Nickel (Ni) |
max. 5 ppm |
| Lead (Pb) |
max. 5 ppm |
| Zinc (Zn) |
max. 5 ppm |
| Sulfate (SO4) |
max. 100 ppm |
| Appearance (color) |
complying |
| Appearance (form) |
complying |
| Colour of the solution |
complying |
| Turbidity of solution |
max. 3.5 NTU |