久久99精品久久久久久hb亚瑟-免费看无码毛视频成片-99热这里只有精品免费播放-亚洲精品少妇高清30p-国产午夜福利精品久久2021

SZSE:002741
Chemical Reagents
Ethylenediamine tetraacetic acid disodium salt COA Report
  • CAS No.:6381-92-6
  • Molecular weight:372.24
  • Molecular formula:C10H14N2O8Na2·2H2O
  • EC No.:239-802-2
  • HS-No:22924985
Information
Specification category:
Product No. Product name specifications
1.01681.040 Ethylenediamine tetraacetic acid disodium salt AR250g
1.01681.050 Ethylenediamine tetraacetic acid disodium salt CP250g
1.01681.060 Ethylenediamine tetraacetic acid disodium salt AR1kg/Sack
1.01681.070 Ethylenediamine tetraacetic acid disodium salt CP1kg/Sack
1.01681.080 Ethylenediamine tetraacetic acid disodium salt CP20kg/drum
1.01681.090 Ethylenediamine tetraacetic acid disodium salt AR25kg/drum
1.01681.100 Ethylenediamine tetraacetic acid disodium salt Spec250g
1.01681.120 Ethylenediamine tetraacetic acid disodium salt AR500g
1.01681.140 Ethylenediamine tetraacetic acid disodium salt CP25kg/drum
1.01681.150 Ethylenediamine tetraacetic acid disodium salt Spec25kg/Sack
1.01681.210 Ethylenediamine tetraacetic acid disodium salt AR25kg/Sack
1.01681.220 Ethylenediamine tetraacetic acid disodium salt AR1kg
1.01681.230 Ethylenediamine tetraacetic acid disodium salt AR25kg/Sack
1.01681.260 Ethylenediamine tetraacetic acid disodium salt(Quality Assurance Department compound) 500mL
Characteristic: Appearance and properties: white crystal.
Melting point(℃): 248(resolve)
Concentration: sterling
Solubility: Soluble in water. Slightly soluble in ethanol.
Technical indicators:
Item AR CP
Assay(C10H14Na2N2O8?2H2O) ≥99.0% ≥98.0%
pH valuepH-value(50g/L,25℃) 4.0~5.0 4.0~5.0
Clarity of solution Pass Pass5
Chloride(Cl) ≤0.005% ≤0.02%
Sulfate(SO4) ≤0.02% ≤0.1%
Iron(Fe) ≤0.001% ≤0.005%
Heavy metals(as Pb) ≤0.001% ≤0.005%
Related Products

Copyright ? Guangdong?Guanghua?Sci-Tech?Co.,?Ltd. GuangDong ICP No. 14033791-1
主站蜘蛛池模板: 茄子视频国产在线观看| 国产无套内射普通话对白| 国产在线精品成人一区二区| 天天摸天天做天天爽| 成人亚洲a片v一区二区三区麻豆| 亚洲精品国产av成拍色拍个| 九九国产精品无码免费视频 | 一本久久a精品一区二区| av天堂亚洲区无码先锋影音| 极品少妇小泬50pthepon| 亚洲成a人片在线观看的电影| 久久久97丨国产人妻熟女| 无码精品a∨在线观看无广告| 午夜dv内射一区区| 十八禁午夜私人在线影院| 窝窝午夜看片| 亚洲午夜福利精品无码不卡| 轻点好疼好大好爽视频| 免费无码又爽又刺激网站直播| 国产欧美现场va另类| 精品国产一区二区三区麻豆| 国产国产成人久久精品| 妺妺窝人体色www看人体| 一夲道| 久久精品第一国产久精国产宅男66| 久久久久久久久免费看无码 | 国产精品视频yy9299| 欧美交换配乱吟粗大视频| 精品久久久99大香线蕉| 亚洲一区视频| 又硬又粗又大一区二区三区视频| 久久精品国产视频在热| 久久久精品午夜免费不卡| 亚洲国产成人一区二区三区| 国产精品高潮呻吟av久久动漫| 337p日本大胆欧美人视频| 特级无码毛片免费视频播放 | 中文字幕亚洲情99在线| 中国国语毛片免费观看视频| 亚洲成在人线在线播放| 亚洲中文超碰中文字幕|