di-Natriumtetraborat, anhydrous ≥98%, AnalaR NORMAPUR®

Leverandør: VWR Chemicals
Ratings: Ingen bedømmelse

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Synonymer: Borax, Sodium tetraborate

87097.230EA 521 DKK
87097.230 87097.290 87097.460
di-Natriumtetraborat, anhydrous ≥98%, AnalaR NORMAPUR®
di-Natriumtetraborat
Formel: Na₂B₄O₇
Molekylvægt: 201.22 g/mol
Kogepunkt: 1575 °C (1013 hPa)
Smeltepunkt: 742 °C
Massefylde: 2.38 g/cm³ (20 °C)
Opbevaringstemperatur: Stue temperatur
MDL Number: MFCD00081185
CAS-nummer: 1330-43-4
EINECS: 215-540-4
REACH: 01-2119490790-32
Merck Index: 12,08733

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Specifikationer Testresultater

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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