熟妇勾子乱一区二区三区-亚洲区一区二区三在线观看-日韩国产一级黄片在线-91精品人妻久久久久

Main Products

 Phenoxycyclotriphosphazene Poly(diphenoxy)phosphazene
PRODUCTS
Current Location: HOME >> PRODUCTS
Ion exchange resin GC-YA-B

Product name: Ion exchange resin GC-YA-B, Alkyl secondary amines GC-YA-B,Amberlite LA-2
Abbreviation: GC-YA-B
CAS NO.: 11128-96-4
Chemical structure: R1R2NH (R1:dodecyl  R2:C12~C14 tertiary alkyl)
Physicochemical properties: transparency and amber liquid, ammonia odor. Boiling point: 160℃/10mmHg.Insoluble in water.Stable under recommended storage conditions.
Technical index:
1. Appearance: amber liquid
2. Neutral Equivalents: 350~380
3. Cloud point: <10℃
4. Color Gardner (VCS): 2~11
Packing: 160KG/drum or packing at the request of client.
Storage: keep in cool and dry place. Keep away from heat source and direct sunlight.
Main uses: this product is an important anion exchange resin, so it is widely used in medicine, pesticide and water treatment as an extraction agent.

< BACK >

 
點擊這里給我發(fā)消息
2393526842
 
 
 
 
日韩人妻精品一区二区三区 | 国产无码久久久久久| 操纯欲女生小穴视频| 男生和女人靠逼视频| 8050午夜三级的全黄| 3色w九九久久男人皇宫宕| 亚洲国产成久久成人综合一区| 嗯嗯好硬好大啊老公| 无码人妻免费一区二区三区| 被大鸡巴操淫液视频| 插BB流水水视频| 女人张开腿让男人捅个爽| 国产精品国产精黄 | 好爽又高潮了毛片在线看 | 粉色av一区二区三区| 婷婷激情五月天四房| 伊人久久丁香色婷婷啪啪| 色999日韩自偷自拍美女| 中文字幕乱码一区三区免费| 国产区高清在线一区二区三区 | 大吊肏子宫在线观看| 狠狠色伊人亚洲综合成人| 操国产骚逼逼逼逼逼逼逼| 美女被插进去黄色| 女人被躁到高潮嗷嗷叫小| 黑大吊肏小騷逼噴水| 快速了解国产一级a爱片| 一区二区国产欧美日韩无| 国产天美传媒剧免费观看| 日本高清一区二区三区水蜜桃| 彩虹网免费视频在线观看 | 我要操死你逼视频| 国产三级精品久久久久| 鸡巴插骚逼真舒服| 操俄罗斯美女bb| 鸡巴和逼中国美女| 国产高清在线观看一区二区三区 | 非洲大鸡巴操逼黄色录像| 在线观看日韩欧美| 夜夜38亚洲综合网| 插BB流水水视频|