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等級
puriss. p.a.
品質等級
化驗
≥99.0% (KT)
pH值
4-5 (25 °C, 50 mg/mL in H2O)
mp
255-280 °C (dec.) (lit.)
負離子痕跡
chloride (Cl-): ≤50 mg/kg
sulfate (SO42-): ≤200 mg/kg
正離子痕跡
Ca: ≤10 mg/kg
Cd: ≤5 mg/kg
Co: ≤5 mg/kg
Cr: ≤5 mg/kg
Cu: ≤5 mg/kg
Fe: ≤5 mg/kg
Mg: ≤5 mg/kg
Mn: ≤5 mg/kg
Na: ≤1000 mg/kg
Ni: ≤5 mg/kg
Pb: ≤5 mg/kg
Zn: ≤5 mg/kg
SMILES 字串
O.O.O.O.[K+].[K+].[K+].[K+].OC(=O)CN(CCN(CC([O-])=O)CC([O-])=O)CC(O)=O.OC(=O)CN(CCN(CC(O)=O)CC([O-])=O)CC([O-])=O
InChI
1S/C10H16N2O8.2K.2H2O/c13-7(14)3-11(4-8(15)16)1-2-12(5-9(17)18)6-10(19)20;;;;/h1-6H2,(H,13,14)(H,15,16)(H,17,18)(H,19,20);;;2*1H2/q;2*+1;;/p-2
InChI 密鑰
JFROQFOCFOKDKU-UHFFFAOYSA-L
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相关类别
一般說明
乙二胺四乙酸二钠二水合物(K2EDTA)是众所周知的螯合剂,在化学合成、分析化学和生物化学中有多种用途。 在化学合成中,K2EDTA常用于从溶液中去除金属杂质,或作为络合剂来控制金属离子的反应活性。它可用于螯合或络合钙、镁、铁和铜等金属离子,有助于防止不需要的副反应。
應用
乙二胺四乙酸二钾盐二水合物(K2EDTA)可用作:
- 使用HPLC分离UV过滤器中的流动相改性剂。
- 螯合剂比色法测定痕量铍化合物。
用于消除因痕量重金属引起的对酶催化反应的抑制
訊號詞
Warning
危險聲明
危險分類
Acute Tox. 4 Inhalation
儲存類別代碼
11 - Combustible Solids
水污染物質分類(WGK)
WGK 2
個人防護裝備
dust mask type N95 (US), Eyeshields, Gloves
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