The fusion of samples is performed in graphite crucibles using low dilution fusions with mixed flux. The calibration is done by use of synthetic standards.
样品用石墨坩埚、混合熔剂低倍稀释熔融，用人工标样作为校准标准。
One single set of synthetic standards of silica matrix will suffice for the determination of as many as 25 associated elements and trace elements in a variety of minerals.
仅用一套二氧化硅为基体的人工标准，就能测定多种单矿物中的25项伴生元素和痕量元素。
The synthetic technological conditions and quality standards of MC series new anionic-cationic combined type flotation reagents for iron ore are described.
介绍了MC系列新型高效两性铁矿石浮选药剂的合成工艺条件，产品质量标准。
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