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等級
ACS reagent
puriss. p.a.
品質等級
化驗
≥98.0% (T)
形狀
crystals or chunks
雜質
≤0.001% total nitrogen (N)
≤2.5% free alkali (as NaOH)
pH值
13 (25 °C, 190.1 g/L)
密度
1.62 g/mL at 25 °C
負離子痕跡
chloride (Cl-): ≤10 mg/kg
sulfate (SO42-): ≤50 mg/kg
正離子痕跡
As: ≤1 mg/kg
Ca: ≤10 mg/kg
Cd: ≤5 mg/kg
Co: ≤5 mg/kg
Cr: ≤5 mg/kg
Cu: ≤5 mg/kg
Fe: ≤5 mg/kg
K: ≤50 mg/kg
Mg: ≤5 mg/kg
Mn: ≤5 mg/kg
Ni: ≤5 mg/kg
Pb: ≤5 mg/kg
Zn: ≤5 mg/kg
SMILES 字串
O.O.O.O.O.O.O.O.O.O.O.O.[Na+].[Na+].[Na+].[O-]P([O-])([O-])=O
InChI
1S/3Na.H3O4P.12H2O/c;;;1-5(2,3)4;;;;;;;;;;;;/h;;;(H3,1,2,3,4);12*1H2/q3*+1;;;;;;;;;;;;;/p-3
InChI 密鑰
ASTWEMOBIXQPPV-UHFFFAOYSA-K
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相关类别
一般說明
正磷酸钠十二水合物是一种磷酸水合三钠盐。它广泛用于各种水处理方法。
應用
正磷酸钠十二水合物（SP 三碱十二水合物）可用于制备研究用缓冲溶液（pH 范围为 2 至 12）。它可用于制备浊点（CP）实验所需的 500mM SP（磷酸钠）缓冲溶液。
訊號詞
Warning
危險聲明
危險分類
Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3
標靶器官
Respiratory system
儲存類別代碼
8A - Combustible corrosive hazardous materials
水污染物質分類（WGK）
WGK 1
閃點（°F）
Not applicable
閃點（°C）
Not applicable
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