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a50334802

木虫 (小有名气)

[求助] 污泥灰分测定方法 已有1人参与

坩埚需要盖子吗?是到达温度再放进马弗炉,还是一开始就放进去?比较模糊,求助

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rcwlj

木虫 (正式写手)

【答案】应助回帖

感谢参与,应助指数 +1
1. 称干锅
2.加样品,
3. 称烧过的干锅。
厌氧空间|www.rcwlj.com</br>甲烷潜力测试
2楼2017-06-08 10:41:44
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㎡㏄

新虫 (初入文坛)

不可以盖盖子,不然可能会灼烧不充分;坩埚要先放入马弗炉,等炉温升高至设定温度后再开始计时灼烧,不然将坩埚直接放入高温,坩埚可能会炸裂,再一个高温时打开炉门也可能烫伤操作员,同时也会给马弗炉带来损伤 一般而言,等马弗炉彻底凉下来前禁止大开炉门

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3楼2018-06-07 13:55:15
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