Osmotics 4.01 pH Buffer Solution OS PH4

Price: £3.92 (inc VAT)

Qty:

Formulated to provide precise pH determinations, these buffer solutions which are standardised against N.I.S.T. certified reference samples, are ideal for calibrating electrodes and pH meters. The buffer is colour-coded to avoid error and accurate to within ±0.02 pH at 25°C (77°F).

Each buffer contains a preservative/mould inhibitor and a coated foam liner cap to prevent contamination and leakage.

Features:

4.01pH Buffer Solution
Stored in a lightweight HDPE plastic bottle.
Capped with a coated foam liner.
4 oz. bottle (120 ml)

Osmotics 7.00 pH Buffer Solution OS PH7

Price: £3.92 (inc VAT)

Qty:

Formulated to provide precise pH determinations, these buffer solutions which are standardised against N.I.S.T. certified reference samples, are ideal for calibrating electrodes and pH meters. The buffer is colour-coded to avoid error and accurate to within ±0.02 pH at 25°C (77°F).

Each buffer contains a preservative/mould inhibitor and a coated foam liner cap to prevent contamination and leakage.

Features:

7.00pH Buffer Solution
Stored in a lightweight HDPE plastic bottle.
Capped with a coated foam liner.
4 oz. bottle (120 ml)

Osmotics 10.01 pH Buffer Solution OS PH10

Price: £3.92 (inc VAT)

Qty:

Formulated to provide precise pH determinations, these buffer solutions which are standardised against N.I.S.T. certified reference samples, are ideal for calibrating electrodes and pH meters. The buffer is colour-coded to avoid error and accurate to within ±0.02 pH at 25°C (77°F).

Each buffer contains a preservative/mould inhibitor and a coated foam liner cap to prevent contamination and leakage.

Features:

10.01pH Buffer Solution
Stored in a lightweight HDPE plastic bottle.
Capped with a coated foam liner.
4 oz. bottle (120 ml)

Osmotics ORP Buffer Solution & Electrode Test Kit OS ORPBUF

Price: £19.36 (inc VAT)

Qty:

HM Digital's ORP buffer solution comes in powder form, so it's lightweight, takes up very little space, is inexpensive and has an indefinite shelf life.

Features
Variety pack of ORP buffer solution.
Test kit to check the quality of your ORP electrode.
Simple to use.
Powder has an indefinite shelf life.

Specifications
Total volume: 1.0 liter. Each powder packet makes 100 ml of solution (when mixed with distilled or deionized water)
Contents: 5 packets of +92mV, 5 packets of +265mV
Extras: Includes three empty 100 ml bottles
Accuracy: +/- 0.2 ORP at 25 degrees Celsius
Preparation directions included with the kit