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konupora Oxide
Ko te kotakota tere kei roto i te kotakota kua wera rawa, he puhoi te tiaki kotakota kua wera rawa, mena ka whakapakeke ano te whakapiri o te pungarehu, ka pakaru te roha na te tipu o te koroheketanga.Hei whakakore i tenei kino o te wera kotakota, me "pakeke" te kotakota mo te 2 wiki i muri i te tiaki.Ko te ahua he ma (he hina ranei, he parauri, he ma), he amorphous, he momi wai me te waro hauhaa mai i te rangi.Ka tauhohe te konupora waikura ki te wai ki te hanga konupūmā waihā ka puta te wera.Wairewa ki te wai waikawa, karekau ki te waipiro.Ko nga tuhinga kawakore parakore, waehere morearea motu:95006.Ka tauhohe matū te kotakota ki te wai, ka wera tonu ki te mahana i runga ake i te 100°C.
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Waikawa Oxalic
He momo waikawa waro, he hua kaiao o nga rauropi, waikawa rua, ka horahia ki roto i nga tipu, nga kararehe me nga harore, i roto i nga momo rauropi rereke te mahi rereke.Kua kitea he nui atu i te 100 nga momo tipu o te waikawa oxalic, ina koa te parakihi, te amaranth, te pīti, te purslane, te taro, te rīwai me te rhubarb.Na te mea ka taea e te waikawa oxalic te whakaheke i te koiora o nga huānga kohuke, ka kiia he antagonist mo te whakauru me te whakamahi i nga huānga kohuke.Ko tana anhydride he waro sesquioxide.
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Polyacrylamide（Pam）
(PAM) he homopolymer o te acrylamide he polymer polymer ranei kua whakaemihia me etahi atu monomers.Ko te Polyacrylamide (PAM) tetahi o nga polymers wairewa-wairewa e whakamahia nuitia ana.(PAM) polyacrylamide e whakamahia nuitia ana i roto i te whakamahi hinu, te hanga pepa, te maimoatanga wai, te kakano, te rongoa, te ahuwhenua me etahi atu ahumahi.E ai ki nga tatauranga, 37% o te katoa o te polyacrylamide (PAM) hanga o te ao ka whakamahia mo te maimoatanga wai para, 27% mo te umanga hinu, me te 18% mo te umanga pepa.
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Waikawa Puawai （HF）
He wairewa wai o te hauwai pūkōwhai hauwai, he wai maramara, he tae kore, he paipa paipa me te kakara kaha.Ko te waikawa Hydrofluoric he waikawa ngoikore tino kino, he tino kino ki te whakarewa, ki te karaihe me nga mea kei roto i te silicon.Ko te horonga o te mamaoa, o te pa atu ranei ki te kiri ka puta he weranga he uaua ki te whakaora.Ko te nuinga o te taiwhanga he mea hanga ki te fluorite (ko te waahanga matua ko te calcium fluoride) me te waikawa pungatara kaha, me hiri ki roto i te pounamu kirihou ka rongoa ki te waahi makariri.
