8 - 11 indicates alkalinity. 12 - 14 indicates a very high level of alkalinity. 1 - 3 indicates a very acidic substance. 4 - 6 indicates an acidic substance. The scale reads from 1 to 14 Each book also includes a color chart.
eBay
8 - 11 indicates alkalinity. 12 - 14 indicates a very high level of alkalinity. The scale reads from 1 to 14 Each book also includes a color chart.
eBay
8 - 11 indicates alkalinity. 12 - 14 indicates a very high level of alkalinity. The scale reads from 1 to 14 Each book also includes a color chart.
eBay
BOJACK pH 1- 14 Test Paper Extensive Test Paper Litmus Test Paper pH Test. Neutral when the PH value is equal to 7;acidity when the PH value is greater than 7;Alkaline when PH value is less than 7. pH range 1-14.
eBay
Book Of 20 Litmus Papers - Range pH1 to pH 11.
eBay
Using the Colour Chart Compare the Paper to See pH Level. High Accuracy Test Paper, pH Range From 1-14. 400x PH test paper. Press the Testing Strip to the Object or Liquid you are Testing.
eBay
8 - 11 indicates alkalinity. 12 - 14 indicates a very high level of alkalinity. The scale reads from 1 to 14 Each book also includes a color chart.
eBay
Widely used for industrial chemical testing, science education, laboratory use, drinking water, swimming pool, spas, aquariums, and classroom analytical chemistry. Instruction: Dipping the test paper into a solution and observing the change in color of the paper.
eBay