The methods of determination of organic impurities in mesalazine were discussed. 對美沙拉秦中有機雜質(zhì)的測定進(jìn)行了探討。
Organic impurities are sometimes present to such an extent that the rock must be calcined to remove them. 有時(shí)候礦石中存在有機雜質(zhì)甚多，以至必須將礦石進(jìn)行煅燒以消除之。
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