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Tetraboritan dvojsodný dekahydrát 99,0-103,0 Ph. Eur.

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

83555.290EA 100.94 EUR
83555.290 83555.460
Tetraboritan dvojsodný dekahydrát 99,0-103,0 Ph. Eur.
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 Conforms (see CoA/CoS)
Identification A Passes test
Identification B Passes test
Identification (Na) Passes test
Appearance of solution Passes test
pH (4 %) 9.0 - 9.6
SO4 (Sulphate) ≤ 50 ppm
NH4 (Ammonium) ≤ 10 ppm
Ca (Calcium) ≤ 100 ppm
Heavy metals (as Pb) ≤ 25 ppm
Residual solvents Passes test
As (Arsenic) ≤ 5 ppm
Cd (Cadmium) ≤ 1 ppm
Co (Cobalt) ≤ 1 ppm
Hg (Mercury) ≤ 2 ppm
Ni (Nickel) ≤ 1 ppm
Pb (Lead) ≤ 2 ppm
V (Vanadium) ≤ 1 ppm
Conforms to Ph.Eur. Passes test


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