【Summary】：

The pH-Cl kit production process is developed by using the optimization formula I, after more than 10 years of repeated practice, in all kinds of water solution product pH test, a drop of onset, three drops of clear, demonstrating excellent results. The pH value of calibration solution is between 4~10, 2~10 or 5 ~ 7.8, showing color reaction.

【Application】：

Including power, paper, pharmaceutical, water treatment, laboratory and drinking fountains, water purifiers detection and diagnosis work. [notice: be sure to use the color matching table in this kit.