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
Sodium tetraborate?decahydrateCOA Report
  • CAS No.:1330-43-4
  • Molecular weight:201.22
  • Aliases:Sodium tetraborate
  • Molecular formula:Na2B4O7·10H2O
  • UN Code:1458
  • EC No.:215-540-4
Information
Specification category:
Product No. Product name Specifications
1.01396.030 Sodium tetraborate?decahydrate AR500g
1.01396.040 Sodium tetraborate?decahydrate CP500g
1.01396.050 Sodium tetraborate?decahydrate AR25kg/Drum
1.01396.080 Sodium tetraborate?decahydrate CP25kg/Drum
1.01396.090 Sodium tetraborate?decahydrate AR25kg/Sack
1.01396.100 Sodium tetraborate?decahydrate CP25kg/Drum
1.01396.110 Sodium tetraborate?decahydrate Spec25kg/Sack
Characteristic: Appearance and properties: odorless, colorless, translucent, salty crystals or white crystalline powder.
Relative density: 2.37
Melting point(℃): 741
Boiling point(℃): 1575 (decomposition)
Concentration: pure
Solubility: slightly soluble in ethanol, cold water, easily soluble in hot water.
Technical indicators:
Item AR CP
Content Assay (Na2B4O7 ? 10H2O) ≥ 99.5% ≥ 99.0%
Clarity Clarity of solution ≤ 4 ≤ 6
Hydrochloric acid insoluble Insoluble matter in hydrochloric acid ≤ 0.005% ≤ 0.02%
Chloride Chloride (Cl) ≤ 0.002% ≤ 0.005%
Sulfate Sulfate (SO4) ≤ 0.01% ≤ 0.015%
Phosphate Phosphate (PO4) ≤ 0.002% ≤ 0.005%
Calcium Calcium (Ca) ≤ 0.005% ≤ 0.02%
Iron Iron (Fe) ≤ 0.0003% ≤ 0.0005%
Copper Copper (Cu) ≤ 0.001% ≤ 0.002%
Lead Lead (Pb) ≤ 0.001% ≤ 0.002%
Related Products

Copyright ? Guangdong?Guanghua?Sci-Tech?Co.,?Ltd. GuangDong ICP No. 14033791-1
尤物视频在线观看| 欧美疯狂性受xxxxx另类| 久久婷婷香蕉热狠狠综合| 久久免费看黄a级毛片| 久久无码中文字幕久久无码app| 国产精品交换| 久久综合给合久久狠狠狠97色 | 亚洲av丰满熟妇在线播放| 无码性午夜视频在线观看| 国产成人精品日本亚洲语音| 3d动漫精品一区二区三区| 亚洲一区二区三区三级| 亚洲色成人www永久在线观看| 丰满无码人妻热妇无码区| 狂躁美女大bbbbbb视频u| 久久精品国产网红主播| 亚洲大成色WWW永久网站动图| 色综合久久久久无码专区| 国产偷国产偷亚洲清高| 四虎影成人精品a片| 又黄又爽又无遮挡免费的网站| 欧美日韩综合一区二区三区| 欧美三级真做在线观看| 国产精品热久久无码av| 国产精品夜间视频香蕉| 国产精品va无码免费| 日韩吃奶摸下aa片免费观看| 久久婷婷五月国产色综合| 国内揄拍高清国内精品对白| 日韩视频在线观看| 中日精品无码一本二本三本| 青草黄色免费视濒在线| 色情久久久av熟女人妻网站| 天堂av一区二区麻豆| 中文字幕av一区二区三区人妻少妇| 国产又爽又黄又爽又刺激| 男同gay毛片免费可播放| 亚洲成a∨人片在线观看无码| 国产成人精品午夜福利在线播放| 国产毛片久久久久久国产毛片| 99v久久综合狠狠综合久久|