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品質等級
等級
puriss.
化驗
99.0-100.5% (calc. to the dried substance)
形狀
crystalline
品質
meets analytical specification of Ph. Eur., BP, USP
雜質
acidity or alkalinity, complies
residual solvents, complies
≤0.001% heavy metals (as Pb)
≤0.04% free alkali (as NaOH)
≤0.05% free acid (as H2SO4)
損耗
≤0.5% loss on drying, 130 °C
pH值
5.2-8 (20 °C, 50 g/L)
mp
884 °C (lit.)
密度
2.68 g/mL at 25 °C (lit.)
負離子痕跡
chloride (Cl-): ≤200 mg/kg
正離子痕跡
As: ≤2 mg/kg
Ca: ≤50 mg/kg
Fe: ≤50 mg/kg
Mg: ≤50 mg/kg
Zn: ≤300 mg/kg
適合性
complies for appearance of solution
SMILES 字串
[Na+].[Na+].[O-]S([O-])(=O)=O
InChI
1S/2Na.H2O4S/c;;1-5(2,3)4/h;;(H2,1,2,3,4)/q2*+1;/p-2
InChI 密鑰
PMZURENOXWZQFD-UHFFFAOYSA-L
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一般說明
硫酸钠（Na2SO4）可以在室温（20°C）下通过从饱和的Na2SO4溶液中直接沉淀获得。其在各种条件下于室温（20℃）进行结晶和生长速率已有研究。 在Leblanc过程中，可通过氯化钠和硫酸生成硫酸钠。
應用
在估算血液的蛋白质含量时，硫酸钠（Na2SO4）可用作沉淀球蛋白的试剂。
儲存類別代碼
11 - Combustible Solids
水污染物質分類（WGK）
WGK 3
閃點（°F）
Not applicable
閃點（°C）
Not applicable
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In this work, we characterize physical hydrogels based on poly(vinyl alcohol), PVA, as intelligent biointerfaces for surface-mediated drug delivery. Specifically, we assemble microstructured (μS) surface adhered hydrogels via noncryogenic gelation of PVA, namely polymer coagulation using sodium sulfate (Na(2)SO(4)). We
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