计算题:纳氏试剂比色法测定某水样中氨氮时,取10.0ml水样于50ml比色管中,加水至标线,加1.0ml酒石酸钾钠溶液和1.5ml纳氏试剂。比色测定,从校准曲线上查得对应的氨氮量为0.0180mg。试求水样中氨氮的含量。(mg/L)
正确答案:
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答案解析:有
![](/editor/images/201705/qrcode_for_gh_573e2a458573_258.jpg)
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计算题:纳氏试剂比色法测定某水样中氨氮时,取10.0ml水样于50ml比色管中,加水至标线,加1.0ml酒石酸钾钠溶液和1.5ml纳氏试剂。比色测定,从校准曲线上查得对应的氨氮量为0.0180mg。试求水样中氨氮的含量。(mg/L)
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