Sodium chloride

Sodium chloride

Helu CAS: 7647-14-5

ʻAlia: paʻakai papaʻaina; paʻakai pōhaku

Nā inoa kapakapa Pelekania: Paʻakai maʻamau; Paʻakai papaʻaina; Paʻakai Roch; Paʻakai kai

ʻO ke ʻano molekole: NaCl

Kaumaha molekole: 58.44

Nā Waiwai: aniani keʻokeʻo, hoʻoheheʻe ʻia i ka wai. Ma 25°C, hoʻoheheʻe ʻia ka 1g i loko o ka wai 2.8ml, ka wai e paila ana he 2.6ml, a me ka glycerin 10ml, a aneane hiki ʻole ke hoʻoheheʻe ʻia i loko o ka ethanol. Hoʻemi ʻia kona hiki ke hoʻoheheʻe ʻia i loko o ka wai e ke alo o ka waikawa hydrochloric, a aneane hiki ʻole ke hoʻoheheʻe ʻia i loko o ka waikawa hydrochloric i hoʻopaʻa ʻia. He kūlike ʻole ka hopena wai, me ka pH o 5.0 ~ 8.0. Ka nui pili 2.17. Wahi hoʻoheheʻe 804℃. Wahi hoʻolapalapa 1413℃. ʻO ka nui make waena (ʻiole, waha) he 3.75±0.43g/kg.

Mālama: sila ʻia a mālama ʻia.

hoʻohana

1. Mea hoʻohui loiloi, hoʻohana ʻia no ka hoʻāʻo pīpī paʻakai e ʻike i ke kūpaʻa ʻana o ka metala i ka pala. He kūlana no ke ana ʻana i ka nitrate kālā. Microdetermination o ka fluorine a me nā silicates. Nā hoʻāʻo koko maʻamau; nā hoʻāʻo hana akepaʻa, a pēlā aku.

2. He mea nui ka sodium chloride i nā kemika maka kumu, hoʻohana nui ʻia ma nā ʻano he nui e like me nā lāʻau lapaʻau, nā lole, ka paʻi ʻana a me ka hoʻoluʻu ʻana, ka laholio, ka meaʻai a me ka mahiʻai.

3. Hoʻohana ʻia e hoʻomākaukau i ka tris buffer, ka phosphate buffered saline, ka MPM-2 (mitotic protein monoclonal 2) cell lysis buffer, ka immunoprecipitation washing buffer, ka LB (Luria-Bertani) medium a me ka dialysis buffer.

4. Hoʻohana nui ʻia ia i nā hoʻomākaukau lāʻau lapaʻau a hoʻohana ʻia ma ke ʻano he penetrant i nā ʻano dosage wai, kahi mea hoʻopihapiha a mea uhi paha i nā ʻano dosage paʻa a me nā ʻano dosage semi-solid, kahi diluent i ka paʻakai ʻana i nā lāʻau lapaʻau a me nā capsules, kahi mea hoʻoulu hopena organik, a me kahi mea maka lāʻau lapaʻau.

5. I loko o nā ʻōnaehana olaola, ʻo ka sodium chloride kahi electrolyte kumu e hiki ke hoʻoponopono i ke kaomi osmotic, ke kaulike pH a me ka conductivity. He kuleana koʻikoʻi ia i ka mālama ʻana i ke ʻano o ka protein a me ka hoʻolaha ʻana i ka hana enzyme. He mea nui ia no ka hoʻopaʻa ʻana i ka hoʻohālikelike protein a me ka hoʻoulu ʻana i nā hopena biochemical. koʻikoʻi.

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