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❤TOP❤ อุปกรณ์กระดาษลิตมัสทดสอบค่า PH ของน้ำ 80 แถบ 2 ชิ้น YO
100% brand new and high quality
There is a strong correlation between the pH of the bodys 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...etc
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
Paper Size:59mm x 8mm (L x W)
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
Package includes:2Pcs 80pcs 1-14 PH test paper
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