层析用的显色剂,0.04%的溴酚蓝酒精溶液是怎么配的?

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层析用的显色剂,0.04%的溴酚蓝酒精溶液是怎么配的?层析用的显色剂,0.04%的溴酚蓝酒精溶液是怎么配的?层析用的显色剂,0.04%的溴酚蓝酒精溶液是怎么配的?称取0.04g溴酚蓝定溶于100ml9

层析用的显色剂,0.04%的溴酚蓝酒精溶液是怎么配的?
层析用的显色剂,0.04%的溴酚蓝酒精溶液是怎么配的?

层析用的显色剂,0.04%的溴酚蓝酒精溶液是怎么配的?
称取0.04g溴酚蓝定溶于100ml95%乙醇中,即得.使用时一般用0.1M氢氧化钠溶液调至微碱性.