| dc.description.abstract | Alkyl plyglycosides (APG) is a nonionic surfactant which is environmentally
friendly. Carbohidrate source as APG’s raw material supplied the hydrophilic group,
and fatty alcohol acted as hydrophobic group. Some undesirable compounds formed
during the APG synthesisand caused dark color. In direct synthesis, D-glucose reacts
directly with decanol in molar ratio of D-glucose:decanol is 1:5 and 0,5 % of HCl as
catalist based on weight of D-glucose for 1 hour at reaction temperature about 90-105 o
C. And then the solution is neutralized with NaOH 50 % on pH 8-10. Added
activated carbon with variation 1, 3, 5, 7, and 9 % based on weight of solution at
adsorption temperature with variation 30, 40, dan 50 o
C, then filtrate and distilate the
solution at vacuum condition. Raw material and product is analized using
spectroscopy fourier transform infrared (FT-IR) and spectroscopy UV-Vis. %
transmittance obtained is about 10,01 – 44,90. The highest % transmittance obtained
at adsorption temperature 50 o
C and amount of activated carbon 3 % is about 44,90. | en_US |
