Feeding the laying hen Sep 18, 2017
The test paper PH conforms to a plastic case. It can help the test test more accurately. The color of the test strip should be compared to that of the standard PH sample card in half a minute. resistant to moisture and avoid lighting.
Check the pH of the solution:
Take a small piece of test paper on the surface dish or a piece of glass, use a clean, dry glass rod to draw the test solution and drop it in the middle of the test paper, observe the color after the change . stable, and compare with the standard color chart to judge the nature of the solution.
Test the acidity and alkalinity of the gas:
First, wet the test paper with distilled water, stick it to one end of the glass rod, and then send it near the mouth of the container containing the gas to be tested, observe the color change and judge the nature of the gas (the test paper can not touch the wall).
Resistant layer: PH paper is protected by a rugged plastic case for better protection of the test paper against damage and more accurate detection.
There is a strong correlation between the pH of the body's internal environment and the pH color chart. By testing many common everyday substances, including milk, liquid detergents, urine and moist soil, can help you maintain a healthy and positive life.
The PH test paper contains 80 pieces of test paper and our packaging contains two sets, a total of 160 pieces of test paper. And each PH sunflower paper is in the validity period.
PH paper measuring range: 1-14, 1-6 means acid, 7 means neutral, 8-14 indicates alkaline.
Size: 80 * 5,4cm * 0,9cm 2pcs