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Tag Archives: pH 9.0 – 13.0

น้ำยาวัด pH (pH-indicator solution pH 9.0 – 13.0 )

109176  pH-indicator solution pH 9.0 – 13.0 When liquid pH indicators are used, the test solution should be colorless and clear, whenever possible. In the event the sample has any slight intrinsic color, test kits including a sliding comparator can be used to compensate for this intrinsic color. Read More »

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