1Roll/5m laboratory ph indicator test strip 014 paper l

1Roll/5m laboratory ph indicator test strip 014 paper l Description

Specification: New Total length: approx. 5 m PH range: 0-14 Feature: With separate color PH scale for comparing results. The color changes of the test strip should match the color chart of the pH scale in about 15 seconds.< br> Quick and easy to use. Provides reliable and accurate pH readings. Easy to carry. Suitable for testing the alkaline or acid level of any liquid. Great product. in every laboratory and home to measure and test water quality, urine, saliva, soil, alkaline diet, aquariums, etc. Perfect for science teaching. Usage: Take out the test work. All 2 color blocks are immersed in the liquid. After 1 second, take out, the opposite color of the color reads the value in 30 seconds. The scale reads from 0 to 14: 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 alkalinity level Package includes: 1 x PH test paper Note: The acid or alkali solution cannot be indicated when its density was less than 0.01%. Keep the remaining paper dry. Please allow 0-1cm errors due to manual measurement. The color of the items displayed in the photos may be slightly different on your computer monitor since monitors are not calibrated the same.