Standard electrolyte for OxyGuard Handy Probes

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Standard electrolyte for Type 3 OxyGuard Probes

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To ensure quality, YSI inspects conductivity solutions with reference to primary standard solutions according to OIML recommendation 56. Bottles include a table of corrections at temperatures between 20 and 30 oC. For sea water equipment.

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Oxyguard pH Buffer Solution for calibrating pH probes. pH 4 / pH 7 205ml / 500ml

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