手机在线看片欧美亚洲a片,老熟女乱子伦,亚洲成AⅤ人片在线老熟女照片,丰满少妇愉情中文字幕18禁片

ID:  

PW:

FAX
+86-351-4080661
Ammonium hydroxideYou are here: Home - Chemical Category- Ammonium hydroxide
Ⅰ Chemical Category ——Ⅱ Coal Chemical Category  ——Ⅲ Adhesive Category  ——Ⅴ Water Treatment Category

Ammonium hydroxide
Author: Tianhe chemical sources: original date:2012-04-11

Appearance: A colorless or light yellow transparent liquid with strong pungent odor.

Use: Used in pharmaceutical industry, circuit board, mantle industry, blueprint, agricultural fertilizer, etc.

Soluble in water and alcohols.

Storage condition: Stored in cool, dry and ventilated place, away from fire and heat. Keep the container sealed. Pay attention to personal protection in packing job. The transportation should be based on required routes. Do not stay in residential areas and densely populated areas.

 

氨水運輸車輛氨水貯槽


[ Back ]

qq在線客服1