A type of fixing agent for crude oil samples ashing, more reliable for sample treating and with less loss in samples lias been chosen based on a great deal of experiments for screening fixing agents for dry ashing crude oil samples.

• 本文对干法灰化原油样品的固定剂行进了大量选择实验,终于找到一种样品处理较为简单可靠、损失又少的原油灰化固定剂。