pH buffers are supplied in a wide range of formats and it can sometimes be confusing, here is a simple guide to the various types of buffer supplied.

pH buffer Capsules – these are a small powdered buffer, which is mixed with water to give a fixed volume of buffer. They give a long shelf life and the advantage that the buffer is always made fresh.

pH buffer Sachets – Single use sachets, ideal for use in the field, a small amount of buffer is in the pouch you tear off the corner and insert the probe into the liquid. always fresh, use once and throw away

Colour coded buffers – availabe in a range of different bottles, these buffers are colour coded so that you can be sure which buffer you are using 4 is coloured red, 7 is coloured yellow and 10 is coloured blue.

Camlab hold a wide range of buffer in stock in cambridge for next day delivery. We are happy to advise on the correct choice of buffer for your needs.