Color chart: PH 1-14
1.PH 1-14 color chart in each pack
2.The test strip color changes must be matched with the PH scale color chart within about 15 seconds.
3.Under normal circumstances, the solution of the tested paper will produce color changes one second after contact with the test paper
4.Different PH content discoloration range is different, by comparing the color card ratio: the smaller the number, the stronger the acidity, the larger the value, the stronger the alkalinity.
5.Widely used for testing moisturized soap, lemon juice, milk, liquid detergent, moisturized soil, saliva, urine, sweat, etc
Scales reads as below:
1-3 Indicates a very high Acidic Substance
4-6 Indicates an Acidic Substance
7 Indicates Neutral
8-11 Indicates an Alkaline Substance
12-14 Indicates a very high level of Alkalinity
Simply press the testing strip to the object or liquid you are testing. Half second later, take out the paper and using the color chart included, compare the color change of the paper to find out the acidity level of your testing subject.
Test paper should be stored in a dry place to avoid light, and no sour and alkaline air can be stored again.
When using, please do not immerse the PH bar in the test liquid. It can cause the test results to be displayed incorrectly.
These PH testing paper can not indicate the acid or alkali solution when its density was lower than 0.01%.
1 Pack PH 1-14 Testing Paper(80 strips)
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2.Full payment must be made within 7 days after placing your order, or the order will be invalid or canceled by the system.
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Shipment and Delivery
1.AliExpress Standard Shipping:About 10-35 Work Days to arrive
2.Singapore post : About 15-35 Work Days to arrive,
3.China Post Air Mail : About 15-90 Work Days to arrive.
4.DHL:About 5-15 Work Days to arrive
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