A tared Gooch crucible is prepared by pouring a water suspension of asbestos fiber into the crucible and sucking it down to a pad thick enough to trap the sample particles on the filtering set-up. The crucible is then heated in a muffle furnace at 950 ± 50°C (1550 to 1750°F) for 30 min., cooled in a desiccator and weighed. fm5-514
原文由 christe 发表: 感谢各位的解答,明白许多了.那么请问下面的描述如何翻译.谢谢 2.4cm base or other suitable size, fitted with an appropriate glass fiber pad as Whatman 934AH or equivalent
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