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80 Strips PH Test Strips PH Meter PH Controller Indicator Litmus Tester Paper Soilsting Kit Saliva Test Tools Strips

5.00 out of 5
(1 customer review)

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1 review for 80 Strips PH Test Strips PH Meter PH Controller Indicator Litmus Tester Paper Soilsting Kit Saliva Test Tools Strips

  1. 5 out of 5

    Mason (verified owner)

    Good quality.

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Description

PH Test Strips Paper Controller Cosmetics Saliva Urine Aquarium Water Soilsting Precision PH Level Testing Litmus Paper Universal Indicator Card
Feature:
The ”ruler” for testing the acidity and alkalinity of the solution is the ”extensive pH test paper”.
This is a ready-made test paper. When using it, tear off a strip and drip a drop of the solution. The color change can tell the acidity and alkalinity of the solution, which is very convenient.
Specification:
Material: Paper
Specification: 80 sheets
Size: 12*10cm/
Function: Test the PH value of liquid/gas
Instruction:
1. Test the properties of the solution: take a small piece of test paper on the watch glass or glass slide, and use a glass rod or plastic dropper with the test liquid to point it on the middle of the test paper, observe the color change, and compare the color with the color chart , To determine the nature of the solution.
2. Test the properties of the gas: first wet the test paper with distilled water, stick it to one end of the glass rod, and use the glass rod to put the test paper close to the gas, observe the color change, and judge the nature of the gas.
3. Tip:
(1) Do not directly extend the test paper into the solution.
(2) The test paper should not touch the mouth of the test tube, bottle, or catheter.
(3) When measuring the pH of the solution, the test paper should not be wetted with distilled water in advance, because wetting the test paper is equivalent to diluting the tested solution, which will cause the measurement to be inaccurate. The correct method is to use a glass rod dipped in the solution to be tested in the middle of the test paper. After the test paper changes color, compare it with a standard colorimetric card to determine the pH of the solution.
(4) After taking out the test paper, the container containing the test paper should be tightly covered to avoid being contaminated by some gas in the laboratory.
Note:
1. Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Thank you!
2. Please allow 1-3mm measuring deviation due to manual measurement.
1 X PH Test Paper

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