结果表明，在经优化的实验条件下，保险粉漂白该浆种效果良好，可提高白度7%以上。
The results showed that sodium dithionite was effective in bleaching this kind of pulp and 7 points of ISO brightness gain were achieved under the optimum conditions.
结果表明，保险粉的脱色效果最好，FAS的漂白能力最佳。
The results showed that the decolorizing effect of sodium hydrosulfite was the best and the bleaching ability of FAS was the highest.
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