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wyfcxhzz

木虫 (小有名气)


[交流] 【求助】K2CO3和硅溶胶HS-40反应吗

不知道K2CO3和硅溶胶HS-40在一定温度下反应吗,反应产物是什么呢?HS-40即SiO2含量为40%,请高手指点一下啊,多谢啦
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wyfcxhzz

木虫 (小有名气)


唉,自己先顶一下吧
2楼2010-11-15 16:05:25
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夏天的微笑

银虫 (初入文坛)


HS-40是硅酸乙酯-40吗
3楼2011-03-02 20:31:48
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tujiaren

铁虫 (初入文坛)


★
小木虫: 金币+0.5, 给个红包,谢谢回帖
不反应吧,理论上没这个可能啊
我没试过
您为什么这么用呢
LUDOX® HS-40 contains synthetic amorphous silica of nominal 12 nanometer particle size. The alkaline aqueous colloidal dispersion contains 40% silica.
Product Specifications
Property
Unit
Specification
Test Method
Specific Gravity @ 60°F
1.292 –1.312
L6550.310.02.EC
Silicon Dioxide
%SiO2
39.0 – 41.0
L6550.083.01.EC
pH @25°C/77°F
9.2 – 9.9
L6550.280.01.EC
Ratio SiO2/Na2O
89 – 101
L6550.043.01.EC
% Transmission
%
52 Min
P5900.523.01.EC
Viscosity @ 25°C
cPs
45 Max
L6550.545.01.EC
Sulfate
%Na2SO4
0.08 Max
L6550.277.01.EC
Surface Area
m2/g
198 – 258
L6550.005.02.EC
Alkalinity
%Na2O
0.39 – 0.46
L6550.005.01.EC
The following Typical Properties data are given for informational purposes only, and are not to be interpreted as product or in-process specifications.
Typical Properties
Property
Unit
Typical Value
Density
kg/L, lb/gal
1.3, 10.8
Boiling Point @760mm Hg
°C/°F
100/212
Melting Point
°C/°F
0/32
Vapor Pressure @25°C/77°F
mm Hg
24
@ 38°C/100°F
mm Hg
48
Stabilizing Counter Ion
Sodium
Particle Charge
Negative
Biocide
ppm
240
Recommended Applications
LUDOX® HS-40 colloidal silica is broadly used in the formulation of coatings, catalysts, antislips and antisoil treatments as well as a high temperature binder for refractory fibers, investment castings, etc.
Key features are:
• High binding strength and stability in most applications
• Highest silica content for this particle size
4楼2012-04-13 17:28:40
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wuxiepoxy

新虫 (初入文坛)


不明白啊
5楼2012-04-21 13:35:58
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wyfcxhzz

木虫 (小有名气)


引用回帖:
2394916楼: Originally posted by wuxiepoxy at 2012-04-21 13:35:58:
不明白啊

就是K2CO3和SiO2是否会发生固相反应?
6楼2012-04-25 09:16:09
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