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夏冬暖

新虫 (初入文坛)

[求助] 自活性污泥中提取 EPS测其中蛋白质、多糖、腐殖酸浓度

各位大侠!目前在做EPS部分的研究,我采用甲醛+NaOH法提取了活性污泥中EPS,想对EPS中蛋白质、多糖、腐殖酸浓度进行测定,蛋白质、腐殖酸测定采用改进的福林酚法,多糖采用苯酚硫酸法。EPS的TOC浓度很大,但是蛋白质和腐殖酸却基本测不出来,不知道问题在哪,希望各位能给一下建议,求指导,谢谢谢谢
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张小花童鞋

新虫 (小有名气)

请问友友,你的多糖检测时候,用盐酸水解时的盐酸量是多少事如何确定的?按照国标的数据(15ml浓盐酸+50ml水)水解完会不会浓度太低了?
2楼2021-05-24 15:56:07
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