I runga i tāu kaupapa "kounga, āwhina, mahi me te tipu", kua whiwhi mātou i ngā whakawhirinaki me ngā whakamoemiti mai i ngā kiritaki o te whare me te ao mō te Glacial Acetic Papa Ahumahi i Tukuna mai e te Wheketere. Ko te kounga teitei me ngā utu whakataetae e whakahīhī ana i ā mātou taonga ki te tūnga teitei puta noa i te ao.
I runga i tāu kaupapa "kounga, āwhina, mahi me te tipu", kua whiwhi mātou i ngā whakawhirinaki me ngā whakamoemiti mai i ngā kiritaki o te motu me te ao mō, Hei otinga matua o tā mātou wheketere, kua whakamatautauria ā mātou raupapa otinga, ā, kua riro mai i a mātou ngā tiwhikete mana wheako. Mō ētahi atu tawhā me ngā taipitopito rārangi tūemi, pāwhiritia te pātene hei tiki atu i ngā mōhiohio.














5. Ngā Whakamātautau:
1. Waikawa Pūmua:
a. Tukanga: Taumahahia kia 5 karamu te tauira (mā te whakamahi i te pauna hangarau) ki roto i tētahi kapu 100 ml. Tāpirihia kia 2 pata o te otinga tohu phenolphthalein ka whakakorea ki te otinga 2 N NaOH kia puta rā anō he tae whero. Whakawetohia ki runga i te kaukau wai kia haurua te rōrahi taketake. Whakamataohia, whakawaihia ki te 5 ml o te HCl kukū, ka whakawhitia ki roto i tētahi pounamu iodine 250 ml kei roto ko te 50 ml o te wai me te 50 ml o te otinga 0.1 N NaBrO. Taupokina kia piri, whakaranua kia pai, ka waiho kia tū mō te 30 meneti. Tāpirihia te 15 ml o te otinga 16.5% KI, 20 ml o te 6 N HCl, me te 2 ml o te otinga tohu māngaro. Whakaranua ki te otinga 0.1 N Na₂S₂O₃ kia ngaro rā anō te tae kikorangi (mutunga). Whakahaerehia he whakamātautau pātea i te wā kotahi.
b. Tātaitanga: (Ml-Whātea – Tauira ml-Whā) × 0.1 (Te Auautanga) × 0.02301 = karamu o te HCOOH
c. Acetic Hukapapa Taumata Kia mōhio: Ko te whakamahana i runga i te kaukau wai i muri i te tāpiri i te NaOH he mea hei mimiti me te tango i te acetaldehyde, ki te kore ka puta he hua pai. Acetic Hukapapa Taumata.
2. Acetaldehyde:
a. Tukanga: Taumahahia kia 10 karamu te waikawa acetic glacial (mā te whakamahi i te pauna hangarau) ki roto i tētahi pounamu iodine 250 ml. Tāpirihia he 50 ml wai, kātahi ka tāpirihia kia 10 ml te otinga 4% NaHSO₃ ki roto i te pounamu. Whakakīia kia mau, rūrūtia, ā, waiho kia tū mō te 30 meneti. Tāpirihia he 2 ml o te otinga tohu māngaro, ka whakaranua ki te otinga iodine 0.1 N kia puta rā anō he kikorangi (te mutunga). Whakamātauria he whakamātautau pātea i te wā kotahi.
b. Tātaitanga: (Ml-Whātea – Tauira ml-Whā) × 0.1 (Te Auautanga) × 0.02203 = karamu o te CH₃CHO
6. Te Whakarite i te Tauhohenga:
Otinga 0.1 N o te Konutai Hypobromite (NaBrO): Tāpirihia he 2.8 ml o te bromine ki te 500 ml o te wai. Tāpirihia he 100 ml o te 2 N NaOH ka whakaoho kia memeha rawa. Whakaranua ki te wai ki te 1000 ml kia whiwhi ai i te otinga 0.1 N NaBrO.
6. Te Whakaritenga o te Tauhohenga Acetic Hukapapa:
Otinga 0.1 N o te Konutai Hypobromite (NaBrO): Tāpirihia he 2.8 ml o te bromine ki te 500 ml o te wai. Tāpirihia he 100 ml o te 2 N NaOH ka whakaoho kia memeha rawa. Whakaranua ki te wai ki te 1000 ml kia whiwhi ai i te otinga 0.1 N NaBrO.