Abubuwan Magana na Ƙarƙashin Ƙarƙashin Ƙasa (NCRM)

National Certified Reference Material (NCRM) Featured Image

Takaitaccen Bayani:

Ƙimar Shaida ta Benzoic Acid (Ma'aunin Calorimetric) Ana iya amfani da CRM don auna ƙimar calorific a cikin wutar lantarki, kwal, masana'antar soja, binciken kimiyya da sauran fannoni.

Lambar:GBW (E) 136695

Lambar Batch:2021-01

Aika mana imel

Cikakken Bayani

Tags samfurin

Gabatarwar samfur

Ana amfani da CRM don tabbatarwa / daidaita yanayin calorimeter bam na oxygen.Hakanan ana amfani dashi don kimantawa da tabbatar da daidaiton hanyoyin tantancewa.Ana iya amfani da CRM don auna ƙimar calorific a cikin wutar lantarki, kwal, masana'antar soja, binciken kimiyya da sauran fannoni.

Shiri Na Material

Benzoic acid yana tsarkake ta hanyar distillation kuma tsarki shine 99.96%.Ana yin shi cikin allunan kusan 0.5g kuma an cushe shi a cikin kwalabe masu tsabta.

Ƙimar Ƙirarriya

Tebur 1. Ƙimar Ƙimar Benzoic Acid

Lamba	Suna	Tabbataccen Ƙimar* (J/g)	Rashin tabbas (J/g) (k=2)
GBW (E) 136695	Benzoic acid	26456	25

Hanyoyin Bincike

Ana amfani da calorimeter na bam don yin waɗannan ma'auni.

Gwajin Homogeneity da Binciken Kwanciyar hankali

An zaɓi kwalabe ashirin ba da gangan don tantance tsarin aunawa.Ana zaɓar samfurin bincike daga kowace kwalban, kuma hanyar ita ce calorimeter bom.Ana amfani da gwajin Bambanci (F) don kimanta daidaiton CRM, lokacin da F α, Samfurin sun yi kama.

Ƙarshen takaddun shaida: Takaddun shaida na wannan CRM yana aiki har zuwa Fabrairu 1, 2031.

Shiryawa Da Ajiye

Abubuwan da aka tabbatar an cika su a cikin kwalabe na filastik tare da murfin filastik.Nauyin gidan yana kusan 35g kowace kwalba.Ana ba da shawarar kiyaye bushewa lokacin adanawa.