For fast pH - value determination . The indicator area on the plastic stick will not fade out (will not bleed). Well distinguishable scaling. Package with 100 sticks. Description in English and German.
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Separate test kits for chemical analysis of water samples without the need for extra apparatus or previous chemical knowledge. The VISOCOLOR ® card color templates are keyed to the original colors of freshly prepared standard solutions ...
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Separate test kits for chemical analysis of water samples without the need for extra apparatus or previous chemical knowledge. The VISOCOLOR ® card color templates are keyed to the original colors of freshly prepared standard solutions ...
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