Universal Indicator Paper pH 1-14, Pack of 5 Meter Reel or Refill made in the UK

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Seller: mese-ltd (5,564) 100%, Location: Leeds, Ships to: Worldwide, Item: 254136891832 Universal indicator papers have been impregnated with a mixture of several indicators. On contact with the sample solution they assume a particular colour. A check against the supplied colour comparison table allows the pH to be determined.5 Meter reel packed in a tidy plastic case. Made in the UK To see how does it work and how does the colour change, dip a small section of the pH paper in a sample of tap water, then add a drop or two of vinegar; the colour will change from green to red (acidic), or add a drop of bleach; the colour will change to dark blue (basic). Reduce risk by using as a pre-test validation toolSimplified testing with results in less than one minuteTest strips eliminate chemical handling and clean-upVial label contains the colour key for easy readings in lab or fieldTest full range pH (1 - 14)7 mm x 5 meter reel Graduation: 1 pH unitCase dimensions: ~55x55x15 mmWeight: ~30 gCost effectiveInstructions:Hold a pH paper strip from edge and dip its other end in test sample for a second; you may also drop a few drops of sample on the pH paper using an eyedropper. Compare the colour obtained of the wet paper strip with the colours shown in the chart provided to find out the pH value.Store unused pH papers in dark and dry place. Other types of pH indicator papers can be found here: Please click here to visit our eBay shop: MESE-Ltd Condition: New, Country/Region of Manufacture: United Kingdom, pH Range: 1-14, MPN: Does Not Apply, Brand: Johnson

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