The new method in the determination of negative ion surface-active agent is introduced, comparing with methylene blue method, it have merits of simple operation step and little dosage.
介绍了水中阴离子表面活性剂测定新方法，该法与亚甲蓝法比较，具有操作步骤简单，萃取剂用量少的优点。
Methods by using methylene blue staining method, SLNB was performed on 58 patients with breast cancer, followed by routine surgical operation for breast cancer.
方法应用亚甲蓝染色法对58例乳腺癌患者先行slnb，随后行乳腺癌常规外科手术。
Objective:Using methylene blue spectrophotometric method to determine the content of SDS in recombinant biological products.
目的：用亚甲基蓝-分光光度法检测重组生物制品中十二烷基硫酸钠（SDS）的含量。
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