16mm Screw Neck COD Test Tube Package
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16mm Screw Neck COD Test Tube Package

The used COD Tubetests contain strong sulfuric acid and other chemicals, so reagents must be handled carefully. The contents of the pipe should be disposed of in accordance with the requirements of local authorities.
These test tubes are SGC certified. These tubes can only be used once, so they cannot be reused.

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