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  • 2020-09-26 13:30:47

    Range of use: It is suitable for the determination of the effective chlorine content of chlorine-containing disinfectant. The effective chlorine content of the measured solution should be between 50mg/L-2000mg/L, and the pH value should not exceed 9.5. How to use: Take a piece of test paper from the paper-drawing port, pour it into the test liquid, take it out immediately, and compare it with the color chart within 15 seconds. Note: The test paper exposed to the air at the paper-drawing port of

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  • 2020-08-12 05:09:18

    super

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  • dekopin
    JP
    2020-06-09 05:14:35

    色の変化する部分に少しムラが有りますが、使えると思います。

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  • 2020-05-16 02:44:37

    簡単・正確測定出来ます。

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  • 2019-07-22 21:18:32

    ไม่สามารถเช็คเลขพัสดุได้เลย ควรปรับปรุง

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