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研究了不同形态的铬和酚对亚甲兰法测定水中阴离子表面活性剂时的干扰。发现干扰的程度取决于铬、酚的含量和形态。
The interferences of different forms of chromium and phenol on the determination of anionic surfactants in water by methylene blue were studied. The extent of the interference is found to depend on the chromium, phenolic content and morphology.