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A new method for determining COD_(Cr) of industrial waster water by using microwave sealing digestion was proposed in this paper. A microwave oven to ...展开
digest the different water samples, in presence of H_2SO_4-K_2Cr_2O_7 mixture, in 100 ml FR-100 Teflon microwave sealed vessels (Patent No. 93239178.8) was used. The digestion mechanism and conditions, interference of C1ˉ ions, method test and application have been studied. 收起
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