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硝酸铅

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The large amount of tin and antimony in the sample can be volatilized after dissolved in the saturated solution with hydrochloric acid and bromine .

试样中大量锡、锑以盐酸溴饱和溶液溶解挥发除去,在凝聚剂硝酸锶存在下,铅离子与k2Cr2O7标准溶液在PH3~4以PbCrO4快速形成沉淀析出[1]。

In order to understand the lead and mercury content in Baby, sedative Chinese herb drugs, 179 preparations and 52 herbs of Chinese drugs were analyzed. Samples were prepared by Ash determination in lead and sulfuric acid-nitirc acid digestion in mercury, then determined by AAS.

将市售小儿惊风散类制剂179件及其药材52种,分别以灰化法及硫酸硝酸法处理后,利用原子吸光光度法(Atomic Absorption Spectrometry;AAS)测定铅及汞之含量。

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This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。

There is no differences of cell proliferation vitality between labeled and unlabeled NSCs.

双标记神经干细胞的增殖、分化活力与未标记神经干细胞相比无改变。