Rauemi Tohutoro Whaimana a Motu (NCRM)

National Certified Reference Material (NCRM) Featured Image

Whakaahuatanga Poto:

Rauemi Tohutoro Whaimana o te Waikawa Benzoic (Paerewa Calorimetric) Ka taea te whakamahi i te CRM mo te inenga uara calorific i roto i te hiko hiko, waro, ahumahi hoia, rangahau pūtaiao me etahi atu mara.

Waehere:GBW（E）136695

Tau puranga:2021-01

Tukuna he imeera ki a matou

Taipitopito Hua

Tohu Hua

Whakataki hua

Ka whakamahia te CRM mo te manatoko/whakaritenga o te calorimeter poma hāora.Ka whakamahia hoki mo te arotake me te manatoko i te tika o nga tikanga tātari.Ka taea te whakamahi i te CRM mo te ine ine uara calorific i roto i te hiko hiko, waro, ahumahi hoia, rangahau pūtaiao me etahi atu mara.

Te Whakarite Rawa

Ko te waikawa Benzoic ka purea ma te whakakore me te 99.96%.Ka mahia ki te 0.5g papaa ka whakakiia ki nga ipu kirihou ma.

Uara whaimana

Ripanga 1. Nga uara whaimana mo te waikawa benzoic

Tau	Ingoa	Uara whaimana* (J/g)	Te papu ore (J/g) (k=2)
GBW（E）136695	Waikawa Benzoic	26456	25

Tikanga Tātari

Ka whakamahia te calorimeter poma ki te hanga i enei inenga.

Whakamātautau Homogeneity me te Tirohanga Whakamaunga

E rua tekau nga pounamu ka tohua matapōkeretia hei whakatau i te raupapa inenga.Ka tohua he tauira tātari mai ia pounamu, ko te tikanga ko te calorimeter poma.Ka whakamahia te whakamatautau rereke (F) ki te arotake i te riterite o te CRM, ina te Fα, he riterite te tauira.

Te paunga o te tiwhikete: Ko te tiwhikete o tenei CRM ka whai mana tae noa ki te Hui-tanguru 1, 2031.

Te Tapaki Me te Rokiroki

Ko nga rauemi tohutoro whaimana ka whakakiia ki nga ipu kirihou me nga uhi kirihou.Ko te taumaha kupenga he 35g ia pounamu.Ko te whakaaro kia maroke ina rongoa.