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pH Buffer 4

£3.50

PRODUCT INFORMATION
PRODUCT INFORMATION

Necessary to calibrate pH meters.

A solution of a known pH value. Buffer 4 is usually used to double check meters are reading correctly although some meters will require it to calibrate fully. First calibrate using Buffer 7, once it reads correctly then check with Buffer 4.

Available sizes:

300ml

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pH Buffer 4

pH Buffer 4

£3.50
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