And reagent bottle inner cap is opened by reverse-tooth clamp structure
LIU YUHONG, ZHAO SAIJUN, XU XIMEI, DING GENBAO, YUAN LUJIN, DONG XIAOCHEN, ZHOU TING
Year of Publication 01.12.2020
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Year of Publication 01.12.2020
Patent
Reagent and method for rapid digestion colorimetric determination of chemical oxygen demand of sewage
LIU YUHONG, ZHAO SAIJUN, HE MIN, XU XIMEI, GUAN YONGNIAN, ZHANG WENHUA, YU PEIZHI, JING ERDAN
Year of Publication 28.02.2020
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Year of Publication 28.02.2020
Patent