天气预报 > 教育 > 烧杯干燥洗涤方法
烧杯干燥洗涤方法
更新时间: 2021-04-10 22:52:13  

1、用水刷洗:使用用于各种形状仪器的毛刷,如试管刷、瓶刷、滴定管刷等。首先用毛刷蘸水刷洗仪器,用水冲去可溶性物质及刷去表面粘附灰尘。

2、用合成洗涤水刷洗:市售的餐具洗涤灵是以非离子表面活性剂为主要成分的中性洗液,可配制成1—2%的水溶液,也可用5%的洗衣粉水溶液,刷洗仪器,它们都有较强的去污能力,必要时可温热或短时间浸泡。

3、洗涤的仪器倒置时,水流出后,器壁应不挂小水珠。至此再用少许纯水冲仪器三次,洗去自来水带来的杂质,即可使用。或者用5%硝酸洗涤,在用蒸馏水洗,洗完放入干燥箱

关键词: 烧杯 干燥 洗涤 方法

烧杯干燥洗涤方法相关经验

天气预报

最新推荐

页面:/news/view-677594/ | 耗时:0.9022 s | 内存:2.11 MB | 查询:4 | 缓存读取:3 写入:0 | 加载文件:25
select * from tbl_Articles WHERE ArticleID=677594 LIMIT 0,1
select * from tbl_Articles_data WHERE ArticleID=677594 LIMIT 0,1
select * from tbl_Articles_sphinx where id=677594 LIMIT 0,1
SELECT ArticleID,Title FROM tbl_Articles WHERE ArticleID IN(581643,867533,391075,692215,1005388,856313,661813,552153,426500,361097,829718,474986,637147,799472,1107666,491621,806360,648247,408380,549822,944275,513213,747885,1039448,591711,451418,1013393,453095,442272,459302) ORDER BY field (ArticleID,581643,867533,391075,692215,1005388,856313,661813,552153,426500,361097,829718,474986,637147,799472,1107666,491621,806360,648247,408380,549822,944275,513213,747885,1039448,591711,451418,1013393,453095,442272,459302)