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| EVALUATION AND CALCULATION OF UNCERTAINTY IN DETERMINATION OF IRON IN ZINC METAL BY SULFOSALICYLIC ACID SPECTROPHOTOMETRY |
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| DOI： |
| KeyWord:Sulfosalicylic acid spectrophotometry,Determination of iron in zinc metal,Uncertainty,Evaluation and calculation |
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| Abstract: |
| A method was studied for evaluation and calculation of uncertainty in determination of iron in zinc metal by sulfosalicylic acid spectrophotometry The determination content for 0 0012% iron is between 0 00115% and 0 00125% at the 95% confidence level The results,for evaluation and calculation of type A uncertainty and type B uncertainty,show that the uncertainty of this method mainly roots in type A uncertainty |
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