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Guangzhou Norm Scientific Instrument Co., Ltd.

All Products >> test paper

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universal indicator strips
universal indicator strips
Specification: box of 100 strips 5*70mm
Detail: Features: 1) Wide range paper PH 0-14, Resolution is 1 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 ...
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