ITEM NAME:1Roll/5m laboratory ph indicator test strip 0-14 paper acid litmus SM alkal H4L9 Description: Type: pH test strips Test range: pH 1-14 pH test strip length: 5m/16ft Packing size: 58 x 55 x 15mm/2.28 x 2.17 x 0.59" Application: suitable for alkaline or acid content testing of any liquid With distinct color PH scale for result comparisons. The test strip color changes must be matched with the pH scale color chart within about 15 seconds. Provides reliable and accurate pH readings. Great product to have in every lab and at home to measure and inspect water quality, urine, saliva, soil, alkaline diet, aquariums etc. How to use: Take out a test paper. The 2 color blocks all immersed in the liquid. After 1 seconds to take out, in contrast to the color of the color reading value in 30 seconds. 0 - 3 indicates a very acidic substance 4 - 6 indicates an acidic substance 7 indicates neutral 8 - 11 indicates alkalinity 12 - 14 indicates a very high level of alkalinity Note: Can not indicate the Acid or alkali solution when its density was lower than 0.01%. Keep dry for the rest paper. Please allow 0-1cm errors due to manual measurement. Item color displayed in photos may be showing slightly different on your computer monitor since monitors are not calibrated same. Package included: 1 x PH Test Paper.8 - 11 indicates alkalinity. 12 - 14 indicates a very high level of alkalinity. 0 - 3 indicates a very acidic substance. 4 - 6 indicates an acidic substance. Can not indicate the Acid or alkali solution when its density was lower than 0.01%.
