PH值含量测定

The pH electrode 031 is a gel-filled Ag-AgCl combination-electrode in a plastic tube. It has a coax cable with a BNC connector. It is supplied in a bottle filled with a protective solution. The electrode cannot be refilled. 更多

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. 更多

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 ... 更多

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 ... 更多

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