Sodu cytrynian, dihydrat, Pharmpur® ekstra czysty, Ph Eur, USP, BP, – SCHARLAU
Informacje dodatkowe
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POBIERZ KARTĘ PRODUKTU
POBIERZ KARTĘ POZIOMU JAKOŚCI
POBIERZ KARTĘ CHARAKTERYSTYKI PRODUKTU
PRODUCENT: SCHARLAB
tri-Sodium citrate dihydrate, e. p.
cytrynian trisodowy dihydrat
– C6H5Na3O7·2H2O
– M = 294,10 g/mol
– CAS [6132-04-3]
– EINECS-No.: 200-675-3
– Solub. in water: (25 ºC): 425 g/l
– Melting point: 150 ºC (anhydrous substance)
– Tariff number: 2918 15 00 10
– Applications: analytical chemistry, in buffer solutions, for the analysis of: aminoacids, in food industry (E-331), emulsifier, antioxidant, preservative agent.
– Appearance: Blanco
SPECIFICATIONS
assay USP (titr. with HClO4, referred to dried sample): 99,0 – 100,5 %
assay EP (titr. with HClO4, referred to dried sample): 99,0 – 101,0 %
identification: passes test
appearance of solution: clear and colourless
acidity or alkalinity: passes test
alkalinity: passes test
chlorides (Cl): max. 50 ppm
oxalates (C2O4): max. 300 ppm
sulfates (SO4): max. 150 ppm
tartrates (C4O6): passes test
substances darkened by H2SO4: passes test
water (K.F.): 11,0 – 13,0 %
loss on drying (180 ºC, 18h): 10,0 – 13,0 %
