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等級
purum p.a.
品質等級
化驗
≥98.0% (T)
形狀
solid
負離子痕跡
chloride (Cl-): ≤100 mg/kg
sulfate (SO42-): ≤200 mg/kg
正離子痕跡
Ca: ≤100 mg/kg
Cd: ≤50 mg/kg
Co: ≤50 mg/kg
Cu: ≤50 mg/kg
Fe: ≤50 mg/kg
K: ≤500 mg/kg
Ni: ≤50 mg/kg
Pb: ≤50 mg/kg
Zn: ≤50 mg/kg
SMILES 字串
[Na+].[H]O[H].[H]O[H].[H]O[H].C[As](C)([O-])=O
InChI
1S/C2H7AsO2.Na.3H2O/c1-3(2,4)5;;;;/h1-2H3,(H,4,5);;3*1H2/q;+1;;;/p-1
InChI 密鑰
RLGWPHBPRCROJO-UHFFFAOYSA-M
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一般說明
二甲砷酸钠三水合物是一种生物缓冲液。已通过单晶X射线衍射研究分析了其晶体。研究表明，它的晶体呈现两相，即， 五-μ-水-二钠(I)双(砷酸二甲酯){[Na2(H2O)5](C2H6AsO2)2}n 和二-μ-水-双[三嗪(I)]双(砷酸二甲酯)[Na2(H2O)8](C2H6AsO2)2。
應用
二甲砷酸钠三水合物可作为缓冲液，用于在电子显微镜研究中维持pH 7.4。 它可作为二甲砷酸盐缓冲液的组分，用于电子显微镜研究。
訊號詞
Danger
危險分類
Acute Tox. 3 Inhalation - Acute Tox. 3 Oral - Aquatic Acute 1 - Aquatic Chronic 1 - Carc. 1B
儲存類別代碼
6.1B - Non-combustible acute toxic Cat. 1 and 2 / very toxic hazardous materials
水污染物質分類（WGK）
WGK 3
個人防護裝備
Eyeshields, Faceshields, Gloves, type P2 (EN 143) respirator cartridges
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