Tetraboritan dvojsodný dekahydrát 99,0-103,0 Ph. Eur.
Dodávateľ: VWR Chemicals
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Nebezpečí
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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 |
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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