Mea Manaʻo Hōʻoia Lahui (NCRM)

National Certified Reference Material (NCRM) Featured Image

ʻO ka wehewehe pōkole:

Mea Hōʻike Hōʻoia o Benzoic Acid (Calorimetric Standard) Hiki ke hoʻohana ʻia ka CRM no ke ana ʻana i ka waiwai calorific i ka mana uila, ka lanahu, ka ʻoihana koa, ka noiʻi ʻepekema a me nā ʻano ʻē aʻe.

Code:GBW（E）136695

Helu Pūʻulu:2021-01

E hoʻouna i ka leka uila iā mākou

Huahana Huahana

Hoʻolauna huahana

Hoʻohana ʻia ka CRM no ka hōʻoia / calibration o ka calorimeter bomb oxygen.Hoʻohana ʻia no ka loiloi a me ka hōʻoia ʻana i ka pololei o nā ʻano analytical.Hiki ke hoʻohana ʻia ka CRM no ke ana ʻana i ka waiwai o ka calorific i ka mana uila, ka lanahu, ka ʻoihana koa, ka noiʻi ʻepekema a me nā ʻoihana ʻē aʻe.

Ka hoomakaukau ana i na mea

Hoʻomaʻemaʻe ʻia ka waikawa benzoic e ka distillation a ʻo ka maʻemaʻe he 99.96%.Hana ʻia ma kahi o 0.5g papa a hoʻopaʻa ʻia i loko o nā ʻōmole plastik maʻemaʻe.

Na Waiwai Hooia

Papa 1. Na Waiwai Hooiaio no ka Acid Benzoic

Helu	Inoa	Waiwai i hōʻoia ʻia* (J/g)	Paʻa ʻole (J/g) (k=2)
GBW（E）136695	ʻAka Benzoic	26456	25

Nā ʻano kālailai

Hoʻohana ʻia ka calorimeter bomb e hana i kēia mau ana.

Ho'āʻo Homogeneity a me ka Nānā Paʻa

He iwakālua omole i koho wale ʻia no ka hoʻoholo ʻana i ke ʻano ana.Koho ʻia kahi hōʻike hōʻike mai kēlā me kēia ʻōmole, a ʻo ke ʻano o ka calorimeter bomb.Hoʻohana ʻia ka hoʻāʻo ʻokoʻa (F) no ka loiloi ʻana i ka lokahi o ka CRM, ke hoʻohana ʻia ka Fα, ua like ka hāpana.

Ka pau ʻana o ka palapala hōʻoia: Pono ka palapala hōʻoia o kēia CRM a hiki i Pepeluali 1, 2031.

Hoʻopaʻa a mālama

Hoʻopili ʻia ka mea kuhikuhi i hōʻoia ʻia i loko o nā ʻōmole plastik me nā uhi plastik.ʻO ka paona ʻupena ma kahi o 35g i kēlā me kēia hue.Manaʻo ʻia e mālama i ka maloʻo ke mālama ʻia.