制作过程中加入吊白块，用酸碱滴定法分别测定水豆腐压滤液、离浆液和蒸馏液中甲醛含量。
The formaldehyde contents in tofu filtrate, liquid separated from beancurd and the distillate of beancurd were measured by acid-base titration.
考察了用胶体滴定法测定草浆悬浮液阳离子需求量的影响因素。
The influence factors of determining cationic charge demand of non wood pulps by colloid titration were investigated.
在KCI的底液中，用KOH标准溶液进行直接滴定。
It is titrated with standard solution KOH in KCI supporting electrolyte.
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