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Hervulbare pH-elektrode met dubbel diafragma. Set incl. zuignap en kalibreeroplossing. (10 ml pH 4, 10 m pH 7, 10 ml Dest).
Hervulbare pH-elektrode met dubbel diafragma. Set incl. zuignap en kalibreeroplossing. (10 ml pH 4, 10 m pH 7, 10 ml Dest).
De pH-elektrodenset basic is ontworpen voor permanente pH-metingen in aquaria.