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This method was an improvement on acid dye direct titration.
对酸性染料直接滴定法作了改进.
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An acid dye colorimetry method was developed for the determination of cyclovirobuxine D and its tablets.
首次建立了黄杨宁酸性染料比色法.
As for dyeing , weak acid dye and reactive dye should be selected and fullincolor fastness.
染料选用弱酸性或活性染料;染浅色时选用弱酸性染料;染中 、 深色时选用活性染料.
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