The determination of trace concentrations of mercury in mineral materials is described.

文章叙述矿物中痕量汞的测定.

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Aim: To determine the trace mercury in Gynostemma Pentaphyllum Makino.

目的: 建立了绞股蓝中痕量汞的测定方法.

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Chemical products often need control of their trace iron contents as impurity.

化工产品大多需控制其痕量杂质铁含量.

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Distinguish mark, trace, little, aamount, which a unique global technological breakthroughs.

可区分痕迹 、 痕量 、 微量 、 一定量.这是全球独一无二的技术突破.

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A sensitive method of determining trace lead in calcium propionate was established.

目的建立了一种测定食品添加剂丙酸钙中痕量铅的方法.

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The method developed can meet the requirement residue analysis.

该法简便、准确,灵敏度高,符合痕量测定的要求.

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A Fluorescence Quenching Method for Determination of Arsenic?

荧光猝灭法测定痕量砷?

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Perchlorate was separated with high capacity and hydroxide selective column using generating on - line from EGC.

建立了一种测定痕量高氯酸盐的离子色谱 - 质谱联用方法.

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The method has been used for the determination of trace beryllium in osmotic water and sediment.

利用抗坏血酸的增感作用直接测定了渗透水和水系沉积物中的痕量铍.

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A spectrophotometric method for the determination of trace boron in ferrosilicon alloy was proposed.

建立了蒸馏分离-姜黄素光度法测定硅铁合金中痕量硼的方法.

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A new method - dynamics photometric method was developed to measure trace formaldehyde in beer.

建立了动力学催化光度法测定痕量甲醛的新方法.

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A new catalytic kinetic spectrophotometric method for the determination of trace cobalt was studied.

研究了催化动力学光度法测定痕量钴的方法.

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The Acetylcholinesterase membrane fixed by activated carrier had higher enzyme activity and longer life - span.

为建立快速的痕量有机磷类的酶法分析方法奠定了基础.

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All laboratory utensils be rinsed with distilled water to remove all traces of soap or detergent.

实验室脏的玻璃器具—所有实验室器具必须用蒸馏水冲洗以去除所有痕量的皂或清洁剂.

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To study the conditions of determination of mercury in chitin by cold atom fluorescence spectrometry ( CAFS ).

研究了冷原子荧光法测定甲壳素中痕量汞的工作条件.

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