

分析項目 Analysis items |
甲酸 85%
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指標 Specification |
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優等品 Super Grade |
一等品 First Grade |
合格品 Normal Grade |
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外觀 Appearance |
透明液體無懸浮物和機械雜質 Clear and free of suspended matter |
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色度/Hazen(鉑-鈷號) Colour(Pt-Co) |
≤10 |
≤20 |
≤30 |
甲酸,W/% Formic acid purity |
≥85% |
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稀釋試驗 (樣品+水=1+3) Dilution Test (Acid: Water=1:3) |
不渾濁 Clear |
不渾濁 Clear |
通過實驗 Pass |
氯化物(以CL計),W/% Chloride (Cl-) max |
≤0.002 |
≤0.004 |
≤0.006 |
硫酸鹽(以SO4計),W/% Sulfate (SO42-) max |
≤0.001 |
≤0.002 |
≤0.020 |
鐵的質量分數(以鐵計), W/% Iron % |
≤0.0001 |
≤0.0004 |
≤0.0006 |
蒸發殘渣的質量分數, W% Evaporation Residue (max) |
≤0.006 |
≤0.020 |
≤0.060 |
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