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Consumables for pH and ORP Sensors

Solutions for setting, cleaning and storing your sensors. For great durability and clear measurement results.

Product description

The best solution for sensors

All sensors require consumables such as buffer and cleaning solutions to keep them functioning reliably.

3 Molar KCl Solutions

3-molar KCl solution is most suited for the storage of pH and ORP sensors (e.g. in sensor quills) and as an electrolyte for refillable sensors (e.g. PHEN, RHEN). We only recommend using the KCl solution saturated with AgCl for the old design of the refillable sensors with reference electrodes without a large AgCl reservoir.

Capacity

Order no.

ml

KCl solution, 3 molar

50

505533

KCl solution, 3 molar

250

791440

KCl solution, 3 molar

1,000

791441

  • pk_6_058

Cleaning Solutions

Cleaning solution pepsin/hydrochloric acid:

For cleaning pH sensors whose diaphragms have been contaminated with protein.

Capacity

Order no.

250 ml

791443

  • pk_6_058_2

ORP Quality Buffer Solutions

Accuracy ± 5 mV. Their shelf life depends on how often they are used and how strong the carry over of chemicals is.

Buffer solutions should be replaced a max. of 3 months after first opening.

Important: The ORP buffer solution 465 mV is an irritant!

Capacity

Order no.

ml

ORP buffer 465 mV

50

506240

ORP buffer 465 mV

250

791439

ORP buffer 465 mV

1,000

506241

Buffer solution ORP 220 mV, 50 ml

50

506244

ORP buffer 220 mV

1,000

506245

DPD reagents for calibration of amperometric sensors, see page →

  • pk_6_058

pH Quality Buffer Solutions

Accuracy ±pH 0.02 (±0.05 at pH 10). The shelf life depends upon frequency of use and the amount of chemical drag-in.

Alkaline buffer solutions can react with CO2 if left open. This will affect their values, therefore close after use. Buffer solutions should be replaced a maximum of three months after opening. The solution contains a biocide to prevent bacteria forming.

Capacity ml

Order no.

ml

pH 4.0 buffer - red colour

50

506251

pH 4.0 buffer - red colour

250

791436

pH 4.0 buffer - red colour

1,000

506256

pH 5.0 buffer - red colour

50

506252

pH 7.0 buffer - green colour

50

506253

pH 7.0 buffer - green colour

250

791437

pH 7.0 buffer - green colour

1,000

506258

pH 9.0 buffer - colourless

50

506254

pH 9.0 buffer - colourless

1,000

506259

pH 10.0 buffer - blue colour

50

506255

pH 10.0 buffer - blue colour

250

791438

pH 10.0 buffer - blue colour

1,000

506260

  • pk_6_058

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Overview

The best solution for sensors

All sensors require consumables such as buffer and cleaning solutions to keep them functioning reliably.

Technical Data

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