油田高含聚污水悬浮固体含量测定方法改进与探讨

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Improvement and discussion on determination method of suspended solid content in high-concentration polymer sewage in oilfield

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表3 不同浓度聚合物水样悬浮固体含量的重复性测定

聚合物质量浓度/(mg.L-1) 样品悬浮固体/(mg.L-1) 标准偏差/% 100 20.5 20.0 21.0 21.0 20.5 0.42 300 21.5 20.5 20.0 21.5 21.0 0.45 500 21.5 21.0 20.5 20.5 21.0 0.57