ISO/TC 47
| Projekta Nr. | ISO 4275:1977 |
|---|---|
| Nosaukums | <p>Applicable to products having As contents more than 0.2 mg/kg. The principle consists in reduction of the element to arsine in a solution of silver diethyldithiocarbamate in pyridine. Photometric measurement of the purplish- red colour produced by the colloidally dispersed silver, at the maximum of the absorption curve (wavelength approximately 540 nm).</p> |
| Reģistrācijas numurs (WIID) | 10115 |
| Darbības sfēra | <p>Applicable to products having As contents more than 0.2 mg/kg. The principle consists in reduction of the element to arsine in a solution of silver diethyldithiocarbamate in pyridine. Photometric measurement of the purplish- red colour produced by the colloidally dispersed silver, at the maximum of the absorption curve (wavelength approximately 540 nm).</p> |
| Statuss | Atcelts |
| ICS grupa | 67.220.20 71.060.50 |