图2以直接直接碘滴定法与通气蒸馏法检测金针干制品二氧化硫残留量结果比较。

Figure2 Comparison of testing results on the sulfur dioxide residue of dried daylily products using direct titration method and Rankine method.

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图2以直接直接碘滴定法与通气蒸馏法检测金针干制品二氧化硫残留量结果比较。

Figure2 Comparison of testing results on the sulfur dioxide residue of dried daylily products using direct titration method and Rankine method.

youdao