PHENOLPHTHALEIN INDIKATOR, 25 GR, MERCK, 107233

PHENOLPHTHALEIN INDIKATOR ACS,REAG. PH EUR Packing : 25 Gr # HARAP MENANYAKAN STOCK TERLEBIH DAHULU # Description Brand : MERCKMILLIPORE Negara : GERMANY Catalogue Number 107233 Packing : 25 GR (glass bottle) Product Information CAS number 77-09-8 EC index number 604-076-00-1 EC number 201-004-7 Grade ACS,Reag. Ph Eur Hill Formula CHO Molar Mass 318.32 g/mol HS Code 2932 20 10 Specifications Identity (UV/VIS-Spectrum) passes test Appearance White to yellowish white powder Clarity of the alkoholic solution (10g/l ethanol) passes test Absorption maximum max. (buffer pH 9.8) 551 - 554 nm Spec. Absorptivity A 1%/1cm (max; 0.01g/l; buffer pH9.8; calculated on dried substance) 700 - 750 Transition range pH 8.2 - pH 9.8 almost colorless - red-violet Transition range (according to ACS) passes test Transition interval (according Reag. Ph Eur) passes test Loss on drying (105C) 1 %