Pcf * 100 แถบกระดาษทดสอบน้ําลายดอกลิตมัส 1-14 ค่า Ph

#100 #Strips #1-14 #PH #Alkaline #Acid #Indicator #Paper #Water #Saliva #Litmus #Testing #Kit
100 Strips 1-14 PH Alkaline Acid Indicator Paper Water Saliva Litmus Testing Kit
Features:
Comes in a nice plastic box thats easy to cary around
Appropriate for testing alkaline or acid level of any liquid
Universal pH paper is also great for Science Education great product to have in every lab and at home to measure and inspect water quality urine saliva soil alkaline diet aquariums and more
PH wide range 0-14 100 strips per pack With distinct color PH scale for result comparisons
The test strip color changes must be matched with the pH scale color chart within about 15 seconds

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

Usage:
test liquid ready take out a test paper the 2 color blocks all immersed in the liquid after 1 seconds to take out in contrast to the color of the color reading value in 30 seconds

Note:
Can not indicate the Acid or alkali solution when its density was lower than 0.01%.
Keep dry for the rest paper

Plastic Box Size: 6.7x8.7x1.1cm
Quantity: 1 Set/100 Strips
Note:
Please allow 1-3mm error due to manual measurement. pls make sure you do not mind before you bid
Due to the difference between different monitors the picture may not reflect the actual color of the item. Thank you!

Package Contents:
1 Set x PH Test Paper
1 x Plastic Box