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newtonwin

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应助: 0 (幼儿园)
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虫号: 30717975
注册: 2022-08-19
专业: 数论

[交流] BOD快速测定仪操作失误，数据异常求指点

用BOD快速测定仪时，水样没调pH也没加硝化抑制剂就开测，结果曲线一直飙。压差法下样品预处理要注意啥？恒温培养多久读数才稳？

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