di-Lithium tetraborate, Spectroflux® 100

Supplier: Thermo Scientific
Warning

Synonyms: Lithium tetraborate, Dilithium tetraborate

12078.A1 12078.D9 12078.PG
12078.A1EA 0 GBP
12078.A1 12078.D9 12078.PG
di-Lithium tetraborate, Spectroflux® 100
di-Lithium tetraborate

It is used as a general purpose acidic flux for fusing basic oxides, carbonates, alumino-silicates, glass, ceramics, cement steel, aluminium, concrete mixes, soils, magnesites, bauxites, rare earth oxides and also for dissolution of samples containing a high concentration of basic oxides, carbonate rocks and aluminosilicates.


  • Incompatible with strong oxidising agents and strong acids, acid anhydrides and alkali metals
  • Used in enamels

Formula: Li₂B₄O₇
MW: 169,12 g/mol
Melting Pt: 930 °C
MDL Number: MFCD00011083
CAS Number: 12007-60-2

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Specification Test Results

Appearance (Colour) White
Form Powder
Li:B Ratio 0,305 - 0,337
Elemental Analysis Lithium, Li (theoretical): 8,21%
Residue on ignition ≤1,5% (30 minutes/900 °C)
Impurity content (Others) ≤15 ppm each
Impurity content (Silica, Si) ≤50 ppm
Impurity content (Total) ≤100 ppm
Total Metal Impurities (Aluminium, Al) ≤30 ppm
Total Metal Impurities (Calcium, Ca) ≤50 ppm
Total Metal Impurities (Nickel, Ni) ≤5 ppm
Total Metal Impurities (Potassium, K) ≤50 ppm
Total Metal Impurities (Sodium, Na) ≤50 ppm
Solubility Water

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