On the basis of the refraction principle of soluble solid, the content of the soluble saltless solid in soy sauce was determined by refractometry.
基于可溶性固形物的折射原理，用折光计法测定酱油中可溶性无盐固形物的含量，取得了与重量法基本一致的结果。
On the basis of the refraction principle of soluble solid, the content of the soluble saltless solid in soy sauce was determined by refractometry.
基于可溶性固形物的折射原理，用折光计法测定酱油中可溶性无盐固形物的含量，取得了与重量法基本一致的结果。
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