在线无码一区二区三区不卡|国产精品爽爽久久久久久竹菊|中文字幕在线无码一区二区三区|中文字幕精品无码一区二区

SZSE:002741
Chemical Reagents
Barium sulfate?COA Report
  • CAS No.:7727-43-7
  • Molecular weight:233.40
  • Aliases:Barium sulfate?
  • Molecular formula:BaSO4
  • EC No.:231-784-4
Information
Specification category:
Product No. Product Name Specification
1.03604.010 Barium sulfate? AR500g
1.03604.020 Barium sulfate? CP500g
1.03604.030 Barium sulfate? AR25kg
Characteristic: Appearance and properties: White orthorhombic crystals.
Relative density: 4.50 (15 ℃)
Melting Point(℃): 1580
Boiling Point(℃): Not available Concentration: Pure
Vapor pressure: Not available Solubility: insoluble in water, soluble in acid.
Heat of combustion (kJ / mol): meaningless
Technical indicators:
Specification AR CP
Hydrochloric acid soluble matter ≤ 0.15% ≤ 0.25%
Loss on ignition ≤ 1.5% ≤ 1.5%
Chloride (Cl) ≤ 0.005% ≤ 0.02%
Soluble Sulfate (as SO4) ≤ 0.005% ≤ 0.03%
Total nitrogen (N) ≤ 0.005% ≤ 0.01%
Iron (Fe) ≤ 0.0005% ≤ 0.001%
Arsenic (As) ≤ 0.0001% ≤ 0.001%
Soluble barium salt (in Ba meter) ≤ 0.0001% ≤ 0.0005%
Heavy metals (as Pb) ≤ 0.0005% ≤ 0.001%
Related Products

Copyright ? Guangdong?Guanghua?Sci-Tech?Co.,?Ltd. GuangDong ICP No. 14033791-1
青青青国产精品一区二区| 全免费a级毛片免费看视频| 久久人人爽人人爽久久小说| 岛国精品在线免费观看| 日韩精品无码一本二本三本色| 欧美成人精品三级网站| 精品亚洲aⅴ在线观看| 全黄h全肉边做边吃奶视频| 欧美老妇人与禽交| 中文有码视频在线播放免费| 大香伊蕉日本一区二区| 爆乳熟妇一区二区三区| 亚洲欧美综合区自拍另类| 荡女精品导航| 亚洲精品久久| 亚洲aⅴ男人的天堂在线观看| 久久人人爽人人爽人人片av| 无码国产精品一区二区免费i6| 久久久久无码精品亚洲日韩| 国产亚洲精品久久久久久久| 亚洲另类欧美综合久久图片区| 亚洲国产福利成人一区二区| 最新欧美精品一区二区三区 | 国产成人av三级在线观看按摩| 亚洲乱码日产精品bd在线观看 | 一本大道av伊人久久综合| 又大又粗弄得我出好多水| 亚洲男人av天堂午夜在| 少妇真人直播免费视频| 美女扒开屁股让男人桶| 国产欧美另类精品久久久| 亚洲 欧美 变态 另类 综合| 樱花草视频www日本韩国 | 亚洲国产一区在线播放| 97影院理论片手机在线观看| 日日噜噜夜夜狠狠视频| 亚洲av无码国产精品久久不卡| 久久精品无码免费不卡| 色综合久久中文综合网| 92国产精品午夜福利| 成人黄色免费在线播放|