在冷原子吸收光谱分析中,能将汞离子定量还原为金属汞原子的试剂为( )。A.硫代硫酸

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问题:

在冷原子吸收光谱分析中,能将汞离子定量还原为金属汞原子的试剂为( )。

A.硫代硫酸钠

B.高纯锌粒

C.氯化亚锡

D.硫酸亚铁

考点:水质检验工高级水质检验工高级
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The nurse at a substance abuse center answers the phone. A probation officer asks if a client is in treatment. The nurse responds, "No, the client you’re looking for isn’t here. " Which of the following statements best describes the nurse’s response

A. Correct because she didn’t give out information about the client.
B. A breech of the principle of veracity because the nurse is misleading the officer.
C. Illegal because she’s withholding information from law enforcement agents.
D. A violation of confidentiality because she informed the officer that the client wasn’t ther

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一个七位数,由3个5和4个0组成,如果只读两个零,这个数可能是______.

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各县联社保卫部门,每月至少对所辖营业网点进行一次全面检查,少一个网点,对责任人处以()元以上罚款。

A、100

B、200

C、300

D、500

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按照《文物保护法》的规定,受国家法律保护的文物有几类

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读图,回答下列问题。

图中D、H圈层的物质状态有何不同?

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