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Nove stabilne formulacije 12 % vodikovega peroksida in surfaktantov
ID Pajk, Pia (Author), ID Cerkovnik, Janez (Mentor) More about this mentor... This link opens in a new window

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Abstract
Sodobni trendi pri strojnem pranju perila gredo v smer pranja z majhnimi količinami vode in pri nizkih temperaturah, da je poraba električne energije čim manjša. Tekoči detergenti, ki se vse pogosteje uporabljajo pri pranju, ne zagotavljajo higienske neoporečnosti, zato je potreba po razvoju detergenta, ki bi zagotavljal tako estetsko kot tudi higiensko čistočo, zelo velika. Vodikov peroksid kot okolju prijazna spojina lahko kot dodatek v tekočem detergentu poskrbi za higiensko, surfaktanti pa za estetsko čistočo, medtem ko stabilizatorji zagotavljajo čim večjo stabilnost vodikovega peroksida v takšnih formulacijah. V diplomskem delu sem raziskovala vpliv različnih kombinacij surfaktantov in stabilizatorjev na stabilnost 12 % vodikovega peroksida, spremembe pH raztopin ter kapaciteto in stabilnost pene, ki jo tvorijo vzorci. Koncentracijo vodikovega peroksida v študiranih formulacijah sem določevala z avtomatsko potenciometrično titracijo z natrijevim tiosulfatom v časovnem razponu osmih mesecev. Dobro stabilnost so pokazale vse formulacije vodikovega peroksida s 5 % vsebnostjo surfaktantov, stabilizirane s kombinacijo citronske in dipikolinske kisline kot ekološko sprejemljivima stabilizatorjema.

Language:Slovenian
Keywords:vodikov peroksid, surfaktanti, stabilizacija, tekoči detergenti, avtomatska potenciometrična titracija
Work type:Bachelor thesis/paper
Typology:2.11 - Undergraduate Thesis
Organization:FKKT - Faculty of Chemistry and Chemical Technology
Year:2022
PID:20.500.12556/RUL-139692 This link opens in a new window
COBISS.SI-ID:126489859 This link opens in a new window
Publication date in RUL:06.09.2022
Views:1392
Downloads:200
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Secondary language

Language:English
Title:New stable formulations of 12 % hydrogen peroxide and surfactants
Abstract:
Modern trends in machine washing clothes are moving toward washing with small amounts of water and at low temperatures to minimize power consumption. Liquid detergents, which are increasingly used for washing, do not guarantee hygienic integrity, thus there is a greater need to develop a detergent that ensures both aesthetic and hygienic cleanliness. Hydrogen peroxide as an environmentally friendly compound can be used as an additive in liquid detergents to provide hygienic, surfactants for aesthetic cleanliness, while stabilizers ensure maximum stability of hydrogen peroxide in such formulations. In this paper, I investigated the influence of different combinations of surfactants and stabilizers on the stability of 12 % hydrogen peroxide, on changes in the pH of the solutions, and on the capacity and stability of the foam formed by the samples. The hydrogen peroxide concentration in the formulations studied was determined by automatic potentiometric titration with sodium thiosulfate over a period of eight months. Good stability was shown by all hydrogen peroxide formulations with 5 % surfactant content, stabilized with a combination of citric and dipicolinic acids as ecologically compatible stabilizers.

Keywords:hydrogen peroxide, surfactants, stabilization, liquid detergents, automatic potentiometric titration

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