Made of shaping Polytetrafluorethylene Resin by moulding in ordinary temperature then through high heat sintering.
将乙烯树脂在常温下用模压法成型后再经高温烧结制成。
Made of shaping Polytetrafluorethylene Resin by moulding in ordinary temperature then through high heat sintering.
将乙烯树脂在常温下用模压法成型后再经高温烧结制成。
Sample was digested in polytetrafluorethylene sealed vesssle by nitric acid-perhydrol or high chloric acid-perhydrol, Hg As Pb were simultaneously determinated by ICP-AES.
采用高压溶样弹,将样品用硝-过氧化氢或高氯-过氧化氢溶解后,用ICP-AES法对汞砷铅连续测定。
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