- Total length
- approx. 5 meters
- PH range
- 0-14
- With different color PH scales for comparison of results.
- The color change of the test paper must match the pH scale colorimetric chart within about 15 seconds.
- Fast and easy to use.
- Provide reliable and accurate pH readings.
- Easy to carry.
- It is suitable for testing the alkalinity or acidity level of any liquid.
- Good products available in every laboratory and home for measuring and checking water quality, urine, saliva, soil, alkaline diet, aquariums, etc.
- Very suitable for science education.
Usage
Take out a test paper.
2.All 2 color blocks are immersed in the liquid. 3.Take it out after 1 seconds and compare the color readings within 30 seconds.
Scale reading from 0 to 14
0-3 means very acidic substance 4-6 means acidic substance 7 means neutral 8-11 means alkalinity 12-14 means very high alkalinity When the density is lower than 0.01%, it cannot represent acid or alkali solution. The rest of the paper is kept dry. Due to manual measurement, please allow an error of 0-1cm. Since the monitors are not calibrated the same, the colors of the items shown in the photos may be slightly different on your computer monitor.
