Szczawian disodowy ExpertQ® do analizy ACS, Reag. Ph Eur – SCHARLAU
Additional information
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POBIERZ KARTĘ PRODUKTU
POBIERZ KARTĘ POZIOMU JAKOŚCI
POBIERZ KARTĘ CHARAKTERYSTYKI PRODUKTU
PRODUCENT: SCHARLAB
di-Sodium oxalate, ExpertQ®, ACS, Reag.
– Synonyms: Oxalic acid sodium salt, Soerensen’s buffer substances
– Na2C2O4
– M = 134,01 g/mol
– CAS [62-76-0]
– EINECS-No.: 200-550-3
– Solub. in water: (20 ºC): 37 g/l
– Melting point: 250 – 270 ºC (decomposes)
– LD 50 (oral, rat): 7500 mg/kg (oxalic acid)
– EC-Index-No.: 607-007-00-3
– GHS-signal word: Warning
– GHS-H sentences: H302 – H312
– GHS-P sentences: P280 – P264 – P270 – P322 – P363 – P501a
– Tariff number: 2917 11 00 99
– Applications: analytical chemistry, reference material.
– Appearance: White solid
SPECIFICATIONS
assay (permanganometric): min. 99,8 %
insoluble matter: max. 0,005 %
acidity: passes test
chlorides (Cl): max. 0,002 %
phosphates (as PO4): max. 0,005 %
sulfates (SO4): max. 0,002 %
total nitrogen (as N): max. 0,001 %
ammonium (NH4): max. 0,002 %
heavy metals (as Pb): max. 0,001 %
iron (Fe): max. 5 ppm
lead (Pb): max. 0,001 %
potassium (K): max. 0,005 %
substances darkened by H2SO4: passes test
loss on drying (105 ºC): max. 0,01 %
