PH test paper test paper 1-14 indicator litmus saliva tester water paper
- $0.25 / 1 - 9 pieces
$0.20 / 10 - 99 pieces
$0.15 / 100 - 999 pieces
$0.10 / >=1000 pieces - 1 piece
- Shandong Xiangyi Industry And Trade Co., Ltd.
- Shandong, China
- Mr
| place of origin; place of origin: | Shandong China | model: | 1-14 |
| product name: | ph test paper | payment terms: | L/C,D/A,D/P,T/T,Western Union,MoneyGram |
| type: | pH meter | brand: | Jinlida |
Test the pH value of the solution: tear off a strip of test paper, add the solution with a rubber dropper, change color in half a second, and compare with the color card on the package; or take a small amount of solution, directly wet the liquid and the test paper, and wrap the color card after half a second For comparison, you can also take a small piece of test paper and put it on the face plate or glass plate, immerse the liquid to be tested in the middle of the test paper with a clean cloth and dry the glass rod, observe the stable color, and compare it with the standard color card to judge the nature of the solution.
Check the pH of the gas: first wet the test paper with distilled water, stick it on one end of the glass rod, and then put it into the container containing the gas to be tested near the mouth, observe the color change, and judge the nature of the gas. (The test strip should not touch the wall of the device)
