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Colored reference standards to confirm instrument response (0-4 mg/L Cl2) Contains four solutions that simulate test color at different concentrations, a certificate and instructions, in a rugged case. Usable with all photometric VISOCOLOR chlorine methods. Suitable for PF-3, PF-12Plus, VIS II und UV/VIS II
Ships within 48 hours · Estimated delivery Jun 30 - Jul 5
US$40
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