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
亚洲熟妇无码乱子av电影| 色欲av蜜桃一区二区三| 亚洲精品国偷拍自产在线观看蜜臀| 欧美一进一出抽搐大尺度视频| 精品国产亚洲av网站| 国产午夜精品一区理论片飘花| 露脸叫床粗话东北少妇| 国产一区二区三区2021| 亚洲av无码一区二区三区系列| 97影院在线午夜| 岛国精品在线免费观看| 亚洲精品综合五月久久小说| 日韩精品国产精品高清| 337人体做爰大胆视频| 99v久久综合狠狠综合久久| 毛茸茸性xxxx毛茸茸毛茸茸| 麻豆网神马久久人鬼片| 国产精品二区一区二区aⅴ污介绍| 日本人妻人人人澡人人爽| 国产精品国产对白熟妇| 国产不卡一区不卡二区| 激情人妻另类人妻伦| 日本aaaaa片爽快免费中国| 无码午夜成人1000部免费视频| 波多野成人无码精品电影| 中文字幕人妻偷伦在线视频| 亚洲av综合av国产av中山 | 在线中文有码中文字幕| 免费人成在线观看| 中文字幕在线观看| 日韩免费无码一区二区视频| 两个女人互添下身视频在线观看| 久久精品不卡一区二区| 国产av一区二区三区最新精品| 亚洲av成人一区二区三区| 亚洲 小说区 图片区 都市| 亚洲精品92内射| 亚洲精品一区二区| 久久精品国产亚洲情侣| 自拍偷自拍亚洲精品被多人伦好爽| 国产一级做a爱视频在线|