por | Jul 19, 2026
The product is a box of pH indicator test strips, designed for use in biological laboratories and urology. These test strips are made in China and have an expiration date. They are intended for testing the pH levels of urine and saliva, providing a range of 1-14 to...
por | Jul 19, 2026
Made of high-quality materials, with a long service life. The design considers the comfort and convenience of actual use to provide better results and experience.
por | Jul 19, 2026
It might lead to incorrectly showing test results. It will perfectly indicate the real acidity or alkalinity substance. You have to create a solution, using a dropper to drop a small amount of liquid on the test paper, use cotton swabs to dip the test material dripped...
por | Jul 19, 2026
It might lead to incorrectly showing test results. It will perfectly indicate the real acidity or alkalinity substance. You have to create a solution, using a dropper to drop a small amount of liquid on the test paper, use cotton swabs to dip the test material dripped...
por | Jul 19, 2026
A red color indicates acidity (pH 7). It refers to the dye derived from lichens, particularly those from the genus Roccella , which is used in litmus paper to indicate pH levels.
