成人网站免费观看,99e久热只有精品8在线直播,亚洲综合无码明星蕉在线视频,亚洲精品一区二区三区中文字幕

SZSE:002741
Chemical Reagents
Potassium nitriteCOA Report
  • CAS No.:7758-09-0
  • Molecular weight:85.10
  • Aliases:Potassium nitrite?
  • Molecular formula:KNO2
  • UN Code:1488
  • EC No.:231-832-4
  • HS-No:28341000
Information
Specification category:
Product No. Product name specifications
1.01766.015 Potassium nitrite AR500g
1.01766.035 Potassium nitrite AR25kg
Characteristic: Appearance and properties: White or light yellow,prismatic or roblike crystal,moisture sensitive.
Relative density: 1.92(water=1)(20℃)
Melting point(℃): 440
Concentration: Pure
Solubility: Soluble in water,insoluble in ethanol.
Technical indicators:
Item AR CP
Assay(KNO2) ≥97.0% ≥94.0%
Clarity of solution Pass Pass
Insoluble matter in water ≤0.003% ≤0.005%
Chloride(Cl) ≤0.01% ≤0.02%
Sulfate(SO4) ≤0.005% ≤0.010%
Sodium(Na) ≤0.5% ≤1.0%
Calcium(Ca) ≤0.005% ≤0.001%
Iron(Fe) ≤0.0002% ≤0.0004%
Heavy metals(as Pb) ≤0.0005% ≤0.002%
Hazard characteristics:

IATA-DGR UN 1488 POTASSIUM NITRITE,5.1,Ⅱ

Related Products

Copyright ? Guangdong?Guanghua?Sci-Tech?Co.,?Ltd. GuangDong ICP No. 14033791-1
中文精品一区二区三区四区| 麻豆网神马久久人鬼片| 久久人人爽人人爽人人片亞洲| 疯狂做受xxxx高潮不断| 久久人人爽人人爽人人av| 亚洲小说少妇区图片| 亚洲欧美成人a∨观看| 男人添女人下部高潮视频| 国产精品18久久久久久vr| 九个美女露脸撒尿嘘嘘视频| 久久综合精品无码av一区二区三区| 久久香蕉国产线看观看手机| 国产成人无码av大片大片在线观看| 搡老女人老妇女老熟妇 | 18禁成人???猛撞视频在线看| 欧美亚洲色综久久精品国产| 亚洲日韩久热中文字幕| 色综合久久久久无码专区| 国产情侣疯狂作爱系列 | 人人澡人人爽夜欢视频| 久久久久久夜精品精品免费啦| 亚洲人成人无码网www国产| 日本一卡二卡3卡四卡网站精品| 久久久久九九精品影院| 成人h动漫精品一区二区| 超级大爆乳奶牛被调教出奶水 | 国产亚洲精aa在线看| 男人添女人下部高潮视频| 欧美成人片在线观看| 热久久国产欧美一区二区精品| 中文字幕av无码不卡免费| 人妻互换一二三区激情视频| 欧美丰满大黑帍在线播放| 黄页网站视频| 精品国产制服丝袜高跟| 国模雨珍浓密毛大尺度150p| 亚洲人成色44444在线观看| 国产suv精品一区二区883| 免费又黄又爽1000禁片| 亚洲人成亚洲精品| 少妇内射兰兰久久|