日本免费人成在线观看网站,国产精品久久自在自线不卡,成人午夜精品久久久久久久,丝袜 亚洲 另类 欧美 变态

YK-20

1、Product Introduction

Yk-20 color changing resin (indicator resin) is a kind of strong acidic cation exchange resin loaded with indicator. The factory form is hydrogen type. It can not only carry out ion exchange reaction with cations in water, but also show obvious color changing characteristics with the change of its own ion type. Yk-20 color changing resin is brownish yellow in regenerative type (H type) and rose red in failure type (Na type).

2、 Product Application

Yk-20 color changing resin is mainly used to measure the hydrogen conductivity of the effluent of steam and condensate polishing mixed bed in thermal power plant.

The color changing resin can also be matched with strong base anion resin (such as yk-22) and installed in a small diameter transparent exchange column. The regeneration time can be determined by the color change after resin failure. It can be used in small pure water systems such as food, medical and electronic instruments.

3、Product Parameters