w/w 和w/v 直接表示浓度吗? - 知乎
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w/w,w/v都表示浓度。 浓度从底层上可以理解为两种物质的比例(就是通常概念下的溶质和溶剂) 后一个单位具体是w/v取决于行业习惯与实际需求,比如生产上配个50L底物溶液,溶剂肯定是用称来取样的,那么这时候操规上浓度用w/w更为合适一些。 浓度与药效无关。
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