亚洲黄色成人在线观看_亚洲2024无码天堂_国产精品久久亚洲成人综合av_乱人妻精品一区二区av_欧美欧美国产综合视频_少妇激情视频一区二区_欧美一级特黄大片色视频_少妇沙发上自慰30P_国产 AV 仑乱内谢_久久激情四射五月天

Product Category

Chemistry

Current Location: Home > Products > Chemistry > C

Sodium oxalate

分子式:C2Na2O4

分子量:134.00

性狀:白色結(jié)晶性粉。溶于水,不溶于乙醇。

Na2C2O4含量不少于 99.8%
pH值(50g/L溶液,25ºC) 7.5-8.5
雜質(zhì)最高含量(指標(biāo)以%計(jì))
澄清度試驗(yàn) 合格
水不溶物 0.005
干燥失重 0.01
氯化物(Cl) 0.001
總氮量(N) 0.001
硫化合物(以SO4計(jì)) 0.002
鉀(K) 0.005
鐵(Fe) 0.0002
重金屬(以Pb計(jì)) 0.001
易碳化物質(zhì) 合格

Contact Us

Address: 1315, No. 29, Lane 26, Hexuan Road, Wanda, Jiangqiao, Shanghai

Factory Name: Shanghai Jinyuan Fine Chemical Factory

Factory Address: Xiaokunshan Town, Songjiang, China       Zip Code: 201106

Sales Tel: +86-21-51098368    Fax: +86-21-52215553

Email (Chemical reagent): chemol@hi2000.com

Email (Metal surface treatment): yangping2046@yahoo.com.cn

URL (Chemical reagent): bb33.com.cn

URL (Metal surface treatment): www.shchem.org

 

  • Mobile version
  • Wechat
Copyright(C)2019, Shanghai Guanghua Technology Co.,ltd. All Rights Reserved.
Supported by ChemNet ChinaChemNet Toocle Copyright Notice