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北京石油化工学院2026年研究生招生接收调剂公告
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laocaoilu

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[求助] V2O5安全操作

本虫新入门,学人烧陶瓷,看到有用V2O5的,听说挥发会有毒,我们烧结时候是常压烧结的,烧结时会不会导致物料扩散影响环境,导致中毒?
另外,平时操作只用手套加口罩,开大窗(没排风)。这样子中毒几率大么?
这种材料是否很恐怖?
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laocaoilu(wangkj代发): 金币+2, 代发 2013-10-11 12:21:26
laocaoilu: 金币+2, ★★★很有帮助 2013-10-12 16:01:05
laocaoilu: 金币+3, ★★★很有帮助 2013-11-15 15:49:20
常温下这个东西应该挥发不大吧,700度以上才开始显著挥发。。。。。。不过最好口罩手套,以防万一,尤其是接触和吸入。烧结的时候炉子本身周围环境最好通风,本身量比较少,不会有太大的环境问题。
2楼2013-10-10 17:18:05
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lianglei

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laocaoilu: 金币+1, 有帮助 2013-10-12 16:01:15
laocaoilu: 金币+1, 有帮助 2013-11-15 15:49:29
sigma-aldrich 上的危害说明

H372 Causes damage to organs through prolonged or repeated exposure.
H302 Harmful if swallowed.
H332 Harmful if inhaled.
H335 May cause respiratory irritation.
H341 Suspected of causing genetic defects.
H411 Toxic to aquatic life with long lasting effects.
H361d Suspected of damaging the unborn child.
Precautionary statement(s)
P261 Avoid breathing dust/ fume/ gas/ mist/ vapours/ spray.
P273 Avoid release to the environment.
P281 Use personal protective equipment as required.
P314 Get medical advice/ attention if you feel unwell.

R20/22 Harmful by inhalation and if swallowed.
R37 Irritating to respiratory system.
R68 Possible risk of irreversible effects.
R48/23 Toxic: danger of serious damage to health by prolonged exposure
through inhalation.
R51/53 Toxic to aquatic organisms, may cause long-term adverse effects in the
aquatic environment.
R63 Possible risk of harm to the unborn child.
S-phrase(s)
S36/37 Wear suitable protective clothing and gloves.
S38 In case of insufficient ventilation, wear suitable respiratory equipment.
S45 In case of accident or if you feel unwell, seek medical advice immediately
(show the label where possible).
S61 Avoid release to the environment. Refer to special instructions/ Safety
data sheets
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3楼2013-10-10 17:23:28
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