Selenium dioxide CAS 7446-08-4 utu hanga

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Selenium dioxide cas 7446-08-4 kaiwhakarato wheketere

Ingoa hua:Selenium hauhā

CAS:7446-08-4

MF:O2Se

MW:110.96

EINECS:231-194-7

Pūāhua:kaihanga

Mōkī:1 kg/kg, 25 kg/drum ranei

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Taipitopito Hua

Tohu Hua

Whakaahuatanga

Ingoa Hua: Selenium dioxide
CAS: 7446-08-4
MF: O2Se
MW: 110.96
EINECS: 231-194-7
Ira whakarewa: 315 °C (subl.)(marama)
Ira kohua: 684.9 °C(marama)
Kiato: 4.81 g/mL i te 25 °C(marama)
Te pehanga ngohe: 1 mm Hg (157 °C)
Taupū Refactive: nD20 <1.76
Fp: 315°C
Merck: 14,8434

Whakatakotoranga

Te ahua	Te paura ma
Te whakamatautau	99% min
Te rewa	315 °C (marama)(marama)
Kohuatanga	684.9 °C(marama)

Taupānga

1. Selenium dioxide cas 7446-08-4 e whakamahia ana i roto i te hanga o te selenium tino parakore me etahi atu pūhui selenium, me te mea he hāora me te whakakōkī mo nga raau taero waihanga.
2. Selenium hauhā cas 7446-08-4 whakamahia hei hāora pūhui pararopi, whakakōkī, reagent matū, rauemi mata mo te hanga o ngā pūhui selenium pararopi.

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Nga tikanga rokiroki

Rokiroki i roto i te whare putunga whai hau me te maroke.Kia tupato ki te makuku, a me hiri te kohinga.Hei karo i te kino o te takai.

Te pumau

1. Te paura tioata acicular marama ma, te reka kawa me te wera wera.Ko tona kohu he kowhai-matomato, he kawa te reka, pumau ki te marama me te wera, me te hygroscopic.He kawa te reka, he wera ano.Kei te oxidizing, a ka heke te monomer selenium i te wa e tutaki ai ia ki te kaihoko whakaiti waro.paihana.

2. He ngawari te whakaheke ki te selenium.

3. Whakamahia nga taputapu tiaki i te wa e mahi ana.Kia tupato ki te tirotiro auau i te kukū o te selenium i te hau.Tirohia to tinana i nga wa katoa.Whakaratohia he kai nui i roto i te pūmua me te waikawa amino.

4. Ka mau ki te hau me te makuku.I te mea he tino paitini, e taunaki ana kia hapai me te whakamahi marie i roto i te kohu kohu.

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Panuku: Tellurium dioxide CAS 7446-07-3 utu hanga