Me ka hoʻomaikaʻi mau ʻana a me ka maikaʻi o nā ʻenehana hana like ʻole, hana ʻia nā mea polymer i nā huahana like ʻole a hoʻohana ʻia i nā kula he nui.ʻO nā pipette serologicalhe mau mea hoʻohana keʻena hana hoʻopau i hoʻohana ʻia no ke ana pololei ʻana a i ʻole ka hoʻololi ʻana i nā wai.Hana ʻia lākou me ka polystyrene (PS).ʻO ka PS he thermoplastic kala ʻole a maopopo me kēia mau hiʻohiʻona:

1. Nā waiwai mechanical: He mea paʻakikī a palupalu ʻo PS me ka liʻiliʻi liʻiliʻi a ʻaʻole hāʻawi i ka wā e kikoo ai.ʻO nā waiwai mechanical o ka polystyrene e pili ana i ke ʻano synthesis, ka molecular mass, ka mahana, ka ʻike haumia a me nā ʻano hoʻāʻo.

2. Thermal waiwai: PS he ilihune wela, me ka wela deformation mahana o 70 a 95 ° C a me ka lōʻihi-manawa hoʻohana wela o 60 a 80°C.No laila,serological pipettesʻAʻole hiki ke hoʻopaʻa ʻia e ka wela kiʻekiʻe a me ke kaomi kiʻekiʻe, a koho ʻia ka sterilization radiation.He haʻahaʻa ka conductivity thermal o ka polystyrene, ma kahi o 0.10 ~ 0.13W / (m·K), a ʻaʻole ia e loli me nā loli wela.He mea hoʻokuʻu wela maikaʻi.

3. Nā waiwai uila: ʻO ka PS he polymer non-polar, a he kakaikahi nā mea hoʻopihapiha a me nā mea hoʻohui i hoʻohui ʻia i ka wā hoʻohana.No laila, loaʻa iā ia nā waiwai dielectric maikaʻi a me ka insulation, a ʻaʻohe mea pili i kāna mau dielectric me ka pinepine.

4. Nā waiwai kemika: He kūpaʻa kemika maikaʻi ko PS a hiki ke kū i nā ʻano alkali like ʻole, nā ʻakika maʻamau, nā paʻakai, ka ʻaila mineral, nā waiʻona haʻahaʻa a me nā ʻakika organik like ʻole.

ʻO nā mea i luna nei kekahi mau hiʻohiʻona o ka mea o kaserological pipettes.ʻO ka paʻa kemika maikaʻi e hōʻoiaʻiʻo ʻaʻole e pane ka hopena a me ka paipu, pēlā e hōʻoia ai i ka pololei o ka hoʻokolohua.

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