School Lab PH Test Strips

School Lab PH Test Strips

Paper Size:app 45mm x 7mm (L x W)
PH 1-14 color chart in each pack
The PH test strips color changes must be matched with the pH scale color chart within about 15 seconds
Please do not dip the PH strips in the test liquid. It might lead to incorrectly showing test result. Please drop the test liquid on the PH strips. It will perfectly indicates the real acidic or alkalinity substance.
There is a strong correlation between the pH of the body's internal environment and pH paper help you to maintain good healthy body by testing many usual everyday substances, including moisturized soap, lemon juice, milk, liquid detergent, moisturized soil, saliva, urine, sweat
 
Product description of PH Test Strips
Please do not dip the PH strips in the test liquid. It might lead to incorrectly showing test result. Please drop the test liquid on the PH strips. It will perfectly indicates the real acidic or alkalinity substance.

The scale reads from 1 to 14:
1 - 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 level of alkalinity
PH 1-14 color chart in each pack
The test strip color changes must be matched with the pH scale color chart within about 15 seconds
Instruction:
1.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.
2.Can not indicate the Acid or alkali solution when its density was lower than 0.01%.
3.Keep dry for the rest paper
Packing Content:
1 X Pack(80 pH Strips)

Common Uses and Examples of pH
Acid Rain, pH = 4.3 – 5.6
Ammonia Based Glass Cleaner, pH = 10
Battery Acid, pH = 1
Beer, pH = 4.5
Bleach, pH = 12.6
Drain Cleaner, pH = 14
Drinking Water, pH = 6.5 - 8.5
Fruit Juice, pH = 2 - 5.5
Gastric Acid, pH = 1.5 - 3.5
Lemon Juice, pH = 2
Milk, pH = 6.8
Milk of Magnesia, pH = 10.5
Oven Cleaner, pH = 13
Pure Water, pH = 7
Saliva, pH = 6.2 – 7.4
Sea Water, pH = 8
Soft Drinks, pH = 2 - 4
Soap, pH = 7 - 10
Tea, pH = 4.9 – 7.2
Urine, pH = 4.6 – 8
Vinegar, pH = 3.1