GB/T 37160-2019 Standard test method for determination of trace metals in heavy distillate,residual oil and crude oil—Inductively coupled plasma optical emission spectrometry(ICP-OES) (English Version)
2019GB/T 37160-2019 Standard test method for determination of trace metals in heavy distillate,residual oil and crude oil—Inductively coupled plasma optical emission spectrometry(ICP-OES)