24小时热门版块排行榜    

查看: 480  |  回复: 2

laocaoilu

铜虫 (小有名气)

[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?
回复此楼
已阅   回复此楼   关注TA 给TA发消息 送TA红花 TA的回帖

whd博士

木虫 (著名写手)

【答案】应助回帖

★ ★ ★ ★ ★ ★ ★
感谢参与,应助指数 +1
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
已阅   回复此楼   关注TA 给TA发消息 送TA红花 TA的回帖

lianglei

至尊木虫 (正式写手)

逐梦小虫

【答案】应助回帖

★ ★
感谢参与,应助指数 +1
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
我思故我在
3楼2013-10-10 17:23:28
已阅   回复此楼   关注TA 给TA发消息 送TA红花 TA的回帖
相关版块跳转 我要订阅楼主 laocaoilu 的主题更新
最具人气热帖推荐 [查看全部] 作者 回/看 最后发表
[基金申请] 是这周出结果还是下周出结果? +3 yuleib84 2026-08-11 3/150 2026-08-11 21:53 by jnhyjjm
[考研] 售SCI文章,我:8O.5.5.1O.54,科目全,可十急 +3 yPv6ndDtiRxQ 2026-08-11 3/150 2026-08-11 21:09 by thgx1vqMqrLw
[教师之家] 售SCI一区文章,我:8O5.5.1.O5.4,科目全,可伽急 +3 yPv6ndDtiRxQ 2026-08-11 3/150 2026-08-11 20:51 by thgx1vqMqrLw
[博后之家] 售SCI一区文章,我:8O5.5.1.O5.4,科目全,可伽急 +3 yPv6ndDtiRxQ 2026-08-10 7/350 2026-08-11 20:39 by thgx1vqMqrLw
[基金申请] 有时候,自然基金真的不能太认真 (我的申报经验) +3 majunge000 2026-08-11 4/200 2026-08-11 20:13 by lch2012
[教师之家] 售SCI文章,我:8O5.5.1.O.54,科目齐全,可+急 +3 GpvwGNVshCOp 2026-08-10 7/350 2026-08-11 19:39 by thgx1vqMqrLw
[基金申请] 为什么网上很多人说本周 12号出结果 +6 瞬息宇宙 2026-08-10 7/350 2026-08-11 19:25 by Tide man
[基金申请] 什么时候出结果,有咨询渠道??? +3 Tide man 2026-08-11 3/150 2026-08-11 17:54 by kudofaye
[基金申请] 分享一下我之前已中青C的计划书的filecode +3 布布和一二 2026-08-11 4/200 2026-08-11 15:20 by aasahr
[论文投稿] 职称评审,求友友推荐见刊最快的期刊 +3 工厂打螺丝 2026-08-08 3/150 2026-08-11 13:42 by 会议编辑
[基金申请] 基金中了 +15 laoda193707 2026-08-06 15/750 2026-08-11 00:11 by jiafei2190
[基金申请] 关于代码变化问题,想知道的进来 +17 且听虎啸 2026-08-07 24/1200 2026-08-10 18:35 by zhangduo2008
[基金申请] 静等基金结果 +5 gjjjzhong 2026-08-10 16/800 2026-08-10 17:19 by Tide man
[基金申请] 据悉今年马上要出结果了 +7 瞬息宇宙 2026-08-10 8/400 2026-08-10 12:42 by Vivilian
[基金申请] 2026国自然放榜时间 +9 布布和一二 2026-08-08 9/450 2026-08-10 11:22 by xxxx2020
[基金申请] 关于filecode,很负责任的告诉大家 +6 爱看书的可乐 2026-08-08 7/350 2026-08-08 22:13 by a_niu
[基金申请] 关于豆爷回答的JTJC与%2F数量 +5 yang182083 2026-08-06 7/350 2026-08-08 18:29 by zhanghaozhu
[基金申请] filecode变化情况 +6 布布和一二 2026-08-07 22/1100 2026-08-07 14:45 by 且听虎啸
[基金申请] 影响面上的因素 +8 布布和一二 2026-08-05 11/550 2026-08-06 10:41 by 宝贝虫子
[基金申请] 好消息?这个有何含义??? +8 Tide man 2026-08-05 10/500 2026-08-05 16:14 by xmuxiaoyu
信息提示
请填处理意见