di-Sodium tétraborate, blanc, en poudre, Spectroflux® 200
Marques : Thermo Fisher ScientificTotal Evaluation: 0
Moyenne des Notes : 0.0 sur 5
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Danger
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Synonyme(s):
Borax, Sodium tetraborate
It can be used in testing of ceramics and steel.
Formule:
Na₂B₄O₇ Poids moléculaire: 201.22 g/mol Point d'ébullition: 1575 °C Point de fusion: 741 °C Densité: 2.367 g/cm³ |
Numéro MDL:
MFCD00081185 Numéro CAS: 1330-43-4 EINECS: 215-540-4 Indice Merck: 12,08733 |
Résultats des tests de spécification
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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