Features:
1) Resolution is 0.5,0.3 or even 0.2 pH unit
2) Colours of the individual colour fields cannot run into each other. This allows a more precise co***rison the colour scale.
3) The plastic strips protect fingers from contact with the test solution.
4) Papers are non-bleeding so the test samples are not contaminated by the indicator dyes.
5) PH range:
0.1-1.2 , 0.5-5.0 , 0.8-5.4 , 1.4-3.0 , 1.7-3.3, 2.7-4.7 ,
3.8-5.4 , 5.0-6.6 , 5.4-7.0 , 5.5-9.0 , 6.4-8.0 , 6.9-8.4 ,
7.2-8.8 , 7.6-8.5 , 8.2-10.0 , 8.9-10.0 , 9.5-13.0 , 10.0-12.0 |
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