ngā purongo

Whakaahuatanga o te āhua o te dimethyl sulfoxide (DMSO):

Āhua: Wai kore tae, mārama, he wai kōwhai paku rānei.
Kakara: Kore kakara, tata kore kakara rānei.
‌ Āhuawaiwai: He kaha tōna āhuawaiwai, ā, ka taea e ia te mimiti i te 70% o tōna ake taumaha wai.
‌ Wairewatanga: Ka taea te whakaranu ki te wai me te etanoru i ngā wā e hiahiatia ana, ā, kāore e wairewa i roto i ngā ārani. Ko tōna wairewa wai 2.16% he isotonic ki te parāoa.
‌ Ētahi atu āhuatanga: He tino iti te pae tio o te wairewa, ā, ka taea te whakaheke i te pae tio o te wai ki te -80 nekehanga i te kukū o te 60%. He whānui te awhe wairewa, ā, ka taea te whakarewa i ngā rongoā wairewa-wai, wairewa-ngako me te maha o ngā rongoā he uaua ki te whakarewa i roto i ētahi atu whakarewa. E mōhiotia ana ko te "whakarewa whānui".
He wai mārama, kore tae te DMSO i te pāmahana rūma. He āhuatanga ā-tinana, ā-matū hoki ōna, ā, he mea tēnei e whānuitia ai te whakamahinga i roto i ngā mara maha.

Ngā whakamahinga o te dimethyl sulfoxide (hua matū):

‌Waihanga whakarewa me te reo tauhohenga‌: Hei waihanga aprotic porotiki, ka taea e ia te whakarewa i ngā momo matū waro, ā, e whakamahia whānuitia ana hei waihanga whakarewa me te reo tauhohenga i roto i te hanga waro‌.
Ngā tono rongoā:
‌Ārai-mumura me te whakamamae mamae‌: He pānga ārai-mumura me te whakamamae mamae nui tōna, ā, ka taea te whakamahi hei rongoā i ngā mate mumura pēnei i te mate rumatiki me te kauti, me te whakamamae i te mamae‌.
‌Whakatairanga i te urunga o te rongoā‌: Nā tōna āheinga uru, ka āwhina i ngā rongoā kia uru ki roto i te tinana o te tangata, ā, he maha ngā wā ka whakamahia hei kawe rongoā, hei waimeha rānei.
Ngā tono ahumahi:
Te tae me te hangarua: whakamahia hei whakarewa tae, hei tango tae mō ngā muka hangai, hei mimiti hoki mō te whakaora i te acetylene me te whanariki hauhā.
‌Ētahi atu‌: E whakamahia ana hoki i roto i ngā whakarewa miro mākū muka hangai, ngā whakarewa polysulfone kaha-teitei thermoplastic, me ngā wahie peita hangai rongoā.
Nā ōna āhuatanga ā-tinana, ā-matū hoki, kua whānuitia te whakamahinga o te dimethyl sulfoxide i roto i ngā mara maha.

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Ngā Āhuatanga Matū o te Dimethyl sulfoxide
Te ira rewa 18.4 °C
Te pūmahana koropupū 189 °C (ipurangi)
kiato 1.100 g/mL i te 20 °C
te mātotoru o te kohu 2.7 (vs te hau)
te pēhanga kohu 0.42 mm Hg (20°C)
taupū whakaata n20/D 1.479(lit.)
FEMA 3875 | METHYLSULFINYLMETHANE
Fp 192 °F
pāmahana rokiroki. Penapenahia i te +5°C ki te +30°C.
wairewatanga H2O: ka taea te whakaranu (katoa)
pka 35 (i te 25℃)
āhua wai (e whakawhirinaki ana ki te pāmahana)
tae mārama, kore tae
Te āputa whanaunga 0.444
Kakara Kakara kāriki ngawari
Momo kakara alliaceous
rohe pahūtanga 1.8-63.0%(V)
Wairewatanga Wairewatanga ki te wai, te methanol, te acetone, te ether, te benzene, te chloroform.
Pūwāhi Hukapapa 18.4℃
Ārai-waikawa
λmax λ: 285 nm Te teitei: ≤0.20
λ: 295 nm Amax: ≤0.20
Nama JECFA 507
Merck 14,3259
BRN 506008
Pūmau whakapūmau 41.9(55℃)

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Wā tuku: Hakihea-04-2024