Mu kwiyongera kwa asfalt, pH agaciro kanini kandi bigira uruhare runaka ku gipimo cya demoli. Mbere yo kwiga imbaraga za PH ku gipimo cya demolime ya asfalt, uburyo bwo kwagukana bwa anionic bwerekana asfalt na catique byifashe asfalt na asfalt asfalt asfalt basobanurwa.

CATIC yahinduye impimbano ya Asfalt yishingikiriza kuri anom nziza ya atom mumatsinda ya amine mumiterere yimiti ya emalpier emaluldier emalpier ya asfalt for. Rero, amazi muri asfalt azwi arashimwa kandi arahungabana. Kwambuka kwa asfalt yagaragaye birarangiye. Kuberako intangiriro ya acide ya ph-guhindura byiyongera mubihe byiza, biratinda guhuza ibikorwa byiza bitwarwa na asfalt evolt hamwe na rusange. Kubwibyo, PH ya CATIC yimukiye asfalt izagira ingaruka kumibare.
Amafaranga mabi ya emalulsiier anionnic yonyine muri anionic yerekana asfalt yitaruye hamwe no kurera ibintu bibi byateganijwe. Kwagura Anionic byagaragaye ko asfalt yishingikiriza ku muzingo wa asfalt ubwayo kugeza igiteranyo cyo kwikuramo amazi. Muri rusange abalewikild aniontififiel muri rusange bishingikiriza kuri atome ya ogisijeni ko ari hydrophilic, na atome ya ogisijeni ifitire hydrogen. Ingaruka zo guhuza hydrogen zongerewe imbaraga za acide kandi zacitse intege mubihe bya alkaline. Kubwibyo, hejuru ya PH, gahoro gahoro igipimo cyurugero muri Anionic cyerekana asfalt.