pH test paper provides a quick and accurate method of measuring the pH of a solution. Simply dip the test paper into the solution and compare the colour with the chart. Alternatively, the colour of the paper can be compared to that of a solution of known value.
Full range paper from pH 1 to pH 14. A colour chart in steps of 1 pH is included.
Continuous reel in plastic dispenser containing 5m length of 6mm wide paper.
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On behalf of Parque Nacional Nahuel Huapi I would like to thank NHBS. The book will be very useful for my students.
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