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- W2378336939 abstract "Objective To set up the same analytical method of the micro-iron, copper,manganese, zinc, cadmium in mineral water. Methods Adopt 1-[2-pyridlazo]-2 naphthol as the catch-collecting pharmaceutical and the precipitating agent of the micro-iron, copper, manganese, zinc, cadmium, Using chloroform dissolve, nitric acid extract instead, atom absorb spectrum lam determine. Result The dectextion limit is 0.020 μg/ml?0.0080 μg/ml?0 010 μg/ml?0 0040 μg/ml?0 0015 μg/ml respectively, and the limit range is 0～1.00 μg/ml?0～0.50 μg/ml?0～0.50 μg/ml?0～ 0.25 μg/ml?0～0.25 μg/ml respectively. The respective relatively standard deviation(RSD) of the five sample metalion is 2.7%?1.9%? 4.7% ? 3.2% ?3.6%, the sample adding standard of the recovery is 94.5%～96.0%?92.0%～ 101.3% ?95.5%～105.0%? 94.0% ～ 105.0% ?97.5%～102.3%. Conclusion After PAN rich collecting condensing, the micro-iron copper, manganese,zinc,cadmium in the mineral water can be examined with atom absorb spectrum law and the method is simple and convenient. Both the sensitivity and accuracy can get the analytical require." @default.
- W2378336939 created "2016-06-24" @default.
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- W2378336939 date "2004-01-01" @default.
- W2378336939 modified "2023-09-23" @default.
- W2378336939 title "Atom Absorb Spectrum Law Determine Micro-Fe Cu Mn Zn Cd of the Mineral Water" @default.
- W2378336939 hasPublicationYear "2004" @default.
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