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newtonwin

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[交流] 浊度仪校准 已有1人参与

台式浊度仪随机配的那个标准溶液会有保质期吗?或者说有没有可能过一段时间会出现不准的情况?我们这几天发现仪器用标液有些不大准了,然后自己用福尔马肼溶液和零浊度水配了几个标液,根据稀释倍数来看的话仪器读数还可以,所以是不是可以判断仪器没啥问题,原来的标液不行了?
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luoyuan121

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浊度标准溶液,400ntu的,保质期3个月

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2楼2023-09-13 15:08:14
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