Waikawa Benzoic: He Waikawa Waro me te Kaiwhakaora Hiranga
Ngā Āpure Tono Matua
Ko ngā whakamahinga matua o te waikawa benzoic ko tōna whakamahinga hei mea tiaki, hei mea whakakawa, hei mea kakara, hei takawaenga hoki i roto i te hanga rauropi. I roto i te umanga kai, he mea tiaki noa te waikawa benzoic e taea ai te aukati i te tipu o ngā moroiti me te whakaroa i te roa o te oranga o te kai. He maha tonu te tāpiri atu ki ngā inu, ki ngā ranu, ki ngā tiamu, ki ngā hua pīkara, me ētahi atu kai hei whakarite i tō rātou haumaru me te pumau. Hei tauira, i roto i ngā inu warowaihā, ka ārai te waikawa benzoic i te tipu o ngā huakita me te pokepokea ai, kia mau tonu ai te kounga o te inu.
I roto i te umanga rongoā, ka whakamahia te waikawa benzoic hei hanga takawaenga mō ētahi rongoā. Ka whakaratohia he rōpū mahi carboxyl ka taea te whai wāhi ki ngā tauhohenga hanganga rauropi hei hanga paturopi, rongoā whakamamae i te werawera, me ētahi atu rongoā. Hei tāpiri, ka taea te whakamahi i te waikawa benzoic hei whakahaere i te pH o ngā hanganga rongoā, kia mau ai te pumau me te waatea o te koiora. Hei tauira, i roto i ētahi hinu paturopi ā-papa, ka mahi te waikawa benzoic hei tiaki hei ārai i te pirau o te hinu.
I roto i te umanga matū, he takawaenga nui te waikawa benzoic i roto i te hanga matū waro. Ka taea te whakamahi hei hanga i ngā esters waikawa benzoic, pērā i te benzyl benzoate, e whakamahia whānuitia ana i roto i ngā umanga kakara me te whakapaipai. Ka taea hoki te whakaester i te waikawa benzoic hei whakaputa i te ethyl benzoate, e whakamahia ana i roto i te hanga i ngā polymers me ngā resins. Heoi anō, ka taea e te waikawa benzoic te mahi hei waikawa i roto i te hanga matū waro, e whakahaere ana i te pH o te pūnaha tauhohenga hei whakatairanga i ētahi tauhohenga.
I roto i te umanga whakapaipai, ka whakamahia te waikawa benzoic hei whakahaere i te pH o ngā whakapaipai, hei whakarite i te pumau me te haumaru o ngā hua. Ka taea hoki te mahi hei wāhanga kakara, hei hoatu i tētahi kakara ahurei ki ngā whakapaipai. Hei tauira, i roto i ētahi hinu kakara me ngā hua tiaki kiri, ka whakamahia te waikawa benzoic hei wāhanga tiaki me te kakara hei whakaroa i te roa o te wā e rongoa ai ngā hua, hei whakarei ake hoki i tō rātou kakara.
He matū haumaru te waikawa benzoic, engari me tūpato i te wā e whakamahia ana, e rongoatia ana hoki. Me rongoa ki roto i tētahi ipu hiri hei karo i te makuku me te poke. Me mau i ngā taputapu tiaki tika, pērā i ngā karapu me ngā mōhiti kanohi, i te wā e whakamahia ana hei ārai i te pa atu ki te kiri me ngā kanohi.
Ngā Whakatakotoranga
| Ingoa Hua | Waikawa Benzoic | |||||||||
| Tātai Matū | C₇H₆O₂ | |||||||||
| Taumaha ngota | 122.12 | |||||||||
| Āhua | Paura tioata mā | |||||||||
| Te Pūwāhi Rewa | 122.41°C | |||||||||
| Te Pūtake Kohua | 249.2°C | |||||||||
| Kiato | 1.2659 karamu/cm³ | |||||||||
| Nama Kāri | 65 - 85 - 0 | |||||||||
| Waehere HS | 29163100 | |||||||||
| EINECS NO | 200 - 618 - 2 | |||||||||
| Tono | Ngā matū, ngā mea tiaki kai, ngā rongoā, me ētahi atu. | |||||||||
Pepa Whakahaere Kounga
| Ingoa Hua | Waikawa Benzoic | ||||||
| TAONGA | NGĀ WHAKATAURANGA PAEREWA | NGĀ HUA WHAKAMĀTAUTAU | |||||
| Ihirangi | ≥99.5% | 99.86% | |||||
| Pūwāhi Whakarewa | 121-123℃ | 122℃ | |||||
| Te konganuku taumaha hei Pb | ≤10ppm | ||||||
| AS | ≤2ppm | ||||||
| Te ihirangi pūhaumāota hei Cl | ≤0.014% | 0.01% | |||||
| Te nui o te wai | ≤0.5% | 0.32% | |||||
| Waikawa phthalic | ≤100ppm | ||||||
| Whakamutunga | Kei roto ngā taonga katoa te tutuki i te whakamātautau Kai | ||||||
Hei whakarāpopototanga
Hei whakarāpopototanga, he mea nui te waikawa benzoic hei waikawa waro me te tiaki matū, ā, he mea nui tēnei i roto i ngā ahumahi kai, rongoā, matū, me te whakapaipai. Ehara i te mea ka whakarei ake i te pumau me te haumaru o ngā hua engari ka tautoko hoki i te whanaketanga o te ahumahi hou. Mā te haere tonu o ngā whanaketanga hangarau me te pikinga ake o te hiahia mō ngā matū whai hua, ka whānui ake ngā tūmanakohanga tono mō te waikawa benzoic.