四硼酸钠, anhydrous ≥98%, AnalaR NORMAPUR®

供应商: VWR Chemicals
Danger

Synonyms: Borax,熔融

VWRC87097.230EA 1356 CNY
VWRC87097.230 VWRC87097.290 VWRC87097.460
四硼酸钠, anhydrous ≥98%, AnalaR NORMAPUR®
四硼酸钠
分子式: Na₂B₄O₇
分子量: 201.22 g/mol
沸点: 1575 °C (1013 hPa)
溶点: 742 °C
密度: 2.38 g/cm³ (20 °C)
存储条件: Ambient
MDL编号: MFCD00081185
CAS号: 1330-43-4
EINECS: 215-540-4
REACH: 01-2119490790-32
Merck Index: 12,08733

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产品技术规格

Assay (acidimetric) min. 98 %
Insoluble in water max. 0,05 %
Chlorides (Cl) max. 0,05 %
Phosphates (as PO4) max. 0,005 %
Sulfates (SO4) max. 0,05 %
Calcium (Ca) max. 0,02 %
Copper (Cu) max. 0,005 %
Heavy metals (as Pb) max. 0,005 %
Iron (Fe) max. 0,005 %
Lead (Pb) max. 0,005 %
Magnesium (Mg) max. 0,02 %
Nickel (Ni) max. 0,005 %
Potassium (K) max. 0,05 %


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