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Tetraboritan dvojsodný dekahydrát 99,0-103,0, AnalaR NORMAPUR® Reag. Ph. Eur. zA

Dodávateľ: VWR Chemicals
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Synonymá: Borax tetra, Sodium tetraborate decahydrate, Sodium Borate decahydrate

27727.231EA 53.27 EUR
27727.231 27727.297 27727.460
Tetraboritan dvojsodný dekahydrát 99,0-103,0, AnalaR NORMAPUR® Reag. Ph. Eur. zA
Tetraboritan dvojsodný dekahydrát
Vzorec: Na₂B₄O₇·10H₂O
Mw: 381.37
Teplota varu: 320
Teplota tavenia: 75
Hustota: 1.73 g/cm³ (20 °C)
Skladovacia teplota: Ambient
Číslo MDL: MFCD00149193
Číslo CAS: 1303-96-4
EINECS: 215-540-4
REACH: 01-2119490790-32
Merck Index: 13,08662

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Výsledky špecifikačného testu

Assay 99.0 - 103.0 %
Appearance of solution Passes test Ph.Eur.
CO3 (Carbonate) Passes test
Identification A Passes test Ph.Eur.
Identification B Passes test Ph.Eur.
Identification C Passes test Ph.Eur.
pH (20°C; 4 %) 9.0 - 9.6
Heavy metals (as Pb) Max. 5 ppm
Insolubility in water Max. 50 ppm
Cl (Chloride) Max. 5 ppm
NH4 (Ammonium) Max. 10 ppm
PO4 (Phosphate) Max. 10 ppm
SO4 (Sulphate) Max. 20 ppm
As (Arsenic) Max. 2 ppm
Ca (Calcium) Max. 100 ppm
Fe (Iron) Max. 5 ppm
Conforms to Reag. Ph.Eur. Passes test


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