24小时热门版块排行榜    

查看: 458  |  回复: 2
当前只显示满足指定条件的回帖,点击这里查看本话题的所有回帖

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

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
查看全部 3 个回答

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
最具人气热帖推荐 [查看全部] 作者 回/看 最后发表
[基金申请] 国基金的申报应该改成非等额制,评价高的钱多评价低的钱少,但是增加资助率 +7 a089 2026-08-07 7/350 2026-08-08 18:05 by gltch
[基金申请] 好奇怪的filecode +3 布布和一二 2026-08-08 4/200 2026-08-08 17:46 by zhanghaozhu
[基金申请] 售SCI一区T0P文章,我:8.O.55.1.O54,科目全,可伽急 +3 qTvzQBRAHjCi 2026-08-07 4/200 2026-08-08 17:22 by oEVWOejN9taj
[考博] 售SCI一区T0P文章,我:8O.55.1.O.54,科目全,可伽急 +3 Vi50GxzrFcSG 2026-08-07 4/200 2026-08-08 16:27 by oEVWOejN9taj
[基金申请] 售SCI文章,我:8O.5.5.1O.54,科目全,可十急 +3 Vi50GxzrFcSG 2026-08-07 5/250 2026-08-08 16:27 by oEVWOejN9taj
[论文投稿] 十年后又回来了,论文投稿求助 +5 哈哈114477 2026-08-01 5/250 2026-08-08 15:14 by 仁砚薪传
[基金申请] fileCode有新解读? +9 Tide man 2026-08-08 17/850 2026-08-08 14:56 by archvillain
[基金申请] 这样的filecode谁见过 +5 布布和一二 2026-08-08 8/400 2026-08-08 14:54 by archvillain
[公派出国] 售SCI文章,我:8O5.5.1.O.54,科目齐全,可+急 +3 HEQlVqMTIA7d 2026-08-07 6/300 2026-08-08 14:39 by oEVWOejN9taj
[教师之家] 售SCI一区文章,我:8.O.55.1.O.54,科目齐全,可伽急 +3 KXLV3nuBVBY7 2026-08-07 5/250 2026-08-08 14:07 by oEVWOejN9taj
[基金申请] 关于代码变化问题,想知道的进来 +11 且听虎啸 2026-08-07 14/700 2026-08-08 12:50 by 布布和一二
[考博] 售SCI一区文章,我:8.O.55.1.O.54,科目齐全,可伽急 +3 HEQlVqMTIA7d 2026-08-07 3/150 2026-08-08 03:47 by 6vVgjDL4CnGu
[基金申请] 基金中了 +14 laoda193707 2026-08-06 14/700 2026-08-08 00:23 by 实验小白ha
[基金申请] 关于filecode +4 布布和一二 2026-08-07 7/350 2026-08-07 22:55 by zhanghaozhu
[基金申请] 娱乐 +6 Tide man 2026-08-03 6/300 2026-08-07 22:40 by 铁帽子农民
[基金申请] filecode与中标关系的预测 +3 布布和一二 2026-08-07 3/150 2026-08-07 15:09 by gltch
[基金申请] 大家散了吧,后缀研究没有意义,别浪费时间了,过好目前的每一天,不要焦虑 +5 Tide man 2026-08-06 7/350 2026-08-07 13:11 by 医学老男孩
[基金申请] 8月时间戳变的,举个手。玩一下,释放压力 +9 archvillain 2026-08-04 11/550 2026-08-05 20:06 by wlwhappy
[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
[基金申请] 纯娱乐,不喜欢勿喷 +7 Tide man 2026-08-04 10/500 2026-08-04 15:10 by loufangrui
信息提示
请填处理意见