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为了使硅钼蓝法能适用于耐火材料中高硅含量,本文对此法进行了一些试验:为使高聚合态的硅酸转化为可反应的单硅酸,可加入5～10ml2%氟化钾溶液;在发色液中加入5～12ml乙醇,能使硅钼蓝色泽保持二小时稳定不变;同时对硅钼黄、硅钼蓝形成条件作了些改进,制订了下述分析步骤.称取0.2000g试样于已盛有1g混合熔剂(无水碳酸钠:硼砂=1:1)的铂埚中,混匀,再取1g混合熔剂复盖其上.置于高温
In order to make silicon molybdenum blue method can be applied to refractory high silicon content, this paper conducted some tests on this method: In order to make highly polymerized silicic acid reactable monosilicic acid, can be added 5 ~ 10ml2% potassium fluoride Solution; add 5 ~ 12ml ethanol in the chromogenic liquid, can keep the molybdenum blue luster stable for two hours; at the same time make some improvements to the forming conditions of molybdenum silicon yellow and molybdenum blue, and formulate the following analysis steps. Take 0.2000g sample has been filled with 1g mixed flux (anhydrous sodium carbonate: borax = 1: 1) in a platinum crucible, mix 1g mixed flux and then covered thereon.