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COD Test Tube Packed in Box

https://aijirentechinc.com/aijirenvials

COD Test Tube Packed in Box

If the water adhering to the inner wall of the cleaned test tube neither collects into water droplets nor flows down, it indicates that the test tube has been cleaned. It should be placed upside down on a dedicated shelf.

16mm tube COD Test Tube screw tube

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If the water adhering to the inner wall of the cleaned test tube neither collects into water droplets nor flows down, it indicates that the test tube has been cleaned. It should be placed upside down on a dedicated shelf.

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