di-Sodium tetraborate, white, powder, Spectroflux® 200

Supplier: Thermo Scientific
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Synonyms: BoraxSodium tetraborate

12093.A1EA 0 GBP
12093.A1 12093.D9
di-Sodium tetraborate, white, powder, Spectroflux® 200
di-Sodium tetraborate

It can be used in testing of ceramics and steel.

Formula: Na₂B₄O₇
MW: 201.22 g/mol
Boiling Pt: 1575 °C
Melting Pt: 741 °C
Density: 2.367 g/cm³
MDL Number: MFCD00081185
CAS Number: 1330-43-4
EINECS: 215-540-4

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Specification Test Results

Appearance (Color) White
Form Powder
Na:B ratio 1,009 - 1,116
Elemental Analysis - Boron, B (theoretical) 21,49%
Elemental Analysis - Sodium, Na (theoretical) 22,85%
Residue on Ignition ≤1,0% (900 °C/30 minutes)
Impurity Content, Silicon (Si) ≤00 ppm
Impurity Content, Others ≤20 ppm max each
Impurity Content, Total ≤200 ppm
Aluminium (Al) as Impurity ≤50 ppm
Calcium (Ca) as Impurity ≤50 ppm
Lithium (Li) as Impurity ≤100 ppm
Magnesium (Mg) as Impurity ≤20 ppm
Potassium (K) as Impurity ≤50 ppm
Sensitivity Hygroscopic

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