Testing of petroleum products; determination of the lead content (total lead) of gasolines with a mass concentration of lead of more than 25 mg/l; direct determination by atomic absorption— 3 стр.
Testing of petroleum products; determination of the lead content (total lead) of gasolines with a mass concentration of lead from 4 up to 25 mg/l; wavelengthdispersive X-ray spectrometry (XRS)— 3 стр.
