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Te Piki Ake o te Hiahia mō ngā Whakarewa Kakariki, ka Whakaara te Ahumahi Methyl Acetate i ngā Huarahi Whakawhanake Hou
Kei te Whānui Tonu Ngā Rohe Whakamahinga Methyl Acetate Tino Parakore, e Ārahihia ana e te Kaupapa Here me te Hangarau-Whakapai Ake. I ngā tau tata nei, i runga i te āhua o ngā ture taiao e kaha haere ana puta noa i te ao me te whakapai ake i ngā ahumahi o raro, ko te methyl acetate—he whakarewa rauropi e mōhiotia ana mō tōna...Pānuihia atu -
Ngā Tono Rautaki me te Tātari Uara Tauhokohoko o NP10 i te Mākete o Amerika ki te Tonga
Ko te NP10 (Nonylphenol Ethoxylate), he matū kore-ionic tino pai, he mahi nui tana i roto i ētahi rāngai ahumahi matua puta noa i Amerika ki te Tonga. Ko ōna āhuatanga matū ahurei—pērā i te kaha ki te whakapūkara, te horapa, te whakamakuku, me te horoi—he mea nui hei āwhina matū...Pānuihia atu -
Ethyl Acetate: Te Ngaru Mākete Hou o tētahi Whakarewa Maha-Wāhanga
He matū tino nui te Ethyl acetate i roto i te ao matū, e kitea whānuitia ana i roto i te hanga ahumahi me te oranga o ia rā. Ko tēnei matū waro, i hangaia mā te whakahāngaitanga o te waikawa acetic me te etanoru i raro i ngā āhuatanga whakakorikori, he mahi nui tāna nā ōna āhuatanga ahurei. Mā te ira...Pānuihia atu -
N-Ethylethylenediamine: He Pūmanawa Whakatipu-Tinana, ā, He Huarahi Whai Hua i roto i te Rāngai Amines Motuhake
I. Whakataki Poto mō te Hua: Ko te N-Ethylethylenediamine, he Amine Hanganga Matua, ko tōna tauira ngota C₄H₁₂N₂, he wai mārama, kore tae, he kowhai mā, he kakara haukini. Hei diamine aliphatic nui, kei roto i tōna hanganga ngota kotahi te amino matua ...Pānuihia atu -
Te Wairewa i Waenganui i te Tautohenga: He Tātaritanga Hōhonu o te Āhua Ahumahi o te Dichloromethane me te Ao o Muri Mai
Tirohanga Whānui mō te Hua Ko te Dichloromethane (DCM), me te tātai matū CH₂Cl₂, he hauwaiwaro halogenated kore tae, mārama, he pūngāwerewere me te kakara reka ngawari. Hei whakarewa ahumahi nui, kei a DCM tetahi tūranga ahurei i roto i te hanga me te tukatuka matū nā te kaha o tōna āheinga ki te utu, e pā ana ki...Pānuihia atu -
He Whakarewa Maha-Wāhanga me te Takawaenga Matua: He Tātaritanga Ahumahi Whānui o te DMF
Tirohanga Whānui mō te Hua Ko te N,N-Dimethylformamide (DMF) he whakarewa rauropi tino nui, he rauemi mata matū hoki. He wai kore tae, he mārama hoki i te pāmahana rūma, he tino pai te wairewatanga me te pumau wera. E kiia ana he whakarewa rauropi whānui, ka taea e te DMF te whakarewa i te nuinga o ngā okana...Pānuihia atu -
Ka āwhina te matū horoi mahi-teitei i ngā whakapainga matua o te ahumahi i Chile: Ngā tono auaha o ngā Nonylphenol Ethoxylates (NPEO)
Santiago, Chile – I roto i te pūnaha ahumahi o Chile, e aro ana ki te keri maina, te ahuwhenua, me te tukatuka kaimoana, he mahi nui tā te akomanga o ngā tāpiringa matū mahi-teitei i roto i ngā wāhanga whakaputa nui maha, nā ō rātou painga hangarau ahurei. Nonylphe...Pānuihia atu -
Ko ngā Nonylphenol Ethoxylates (NPEO) he momo surfactants koreionic mahi teitei.
Ko tā rātou hanganga matū ahurei—te whakakotahi i tētahi rōpū phenol kakara hydrophobic me tētahi mekameka polyoxyethylene hydrophilic—e whakawhiwhi ana i a rātou ki ngā āhuatanga tino pai e uaua ana ki te whakakapi i roto i ngā tono ahumahi maha. E whakamārama ana ngā mea e whai ake nei i ō rātou uara tono hangarau pai....Pānuihia atu -
Konutai Benzoate: Ko te "Kaitiaki" Whānui me tōna Whakawhiti i waenganui i ngā Tautohe Haumaru
I. Tirohanga Whānui mō te Hua: Ko te Pūmua Waikawa Tino Whānui e Whakamahia Ana ko te Sodium Benzoate (te tauira matū: C₆H₅COONa) he paura ma, he kirikiri rānei, kāore he kakara, he kakara rite ki te benzoin rānei. Hei tote konutai o te waikawa benzoic, he nui ake tōna wairewatanga ki te wai, ā, he māmā ake te tono,...Pānuihia atu -
Butyl Acetate: He Whakarewa "Whai Hua" me te Takawaenga Matū Matua i roto i te Whakawhiti Kakariki
I. Tirohanga Whānui mō te Hua: He Whakarewa Ao Whānui me te Mahi Taurite o te Butyl Acetate (te tauira matū: CH₃COO(CH₂)₃CH₃), e mōhiotia whānuitia ana ko te n-Butyl Acetate (BA), he wai waro mārama, kore tae, he kakara hua motuhake. Hei whakarewa ester waro nui me ngā rauemi mata matū...Pānuihia atu
