1 | ||||
2 | SiO2, % | |||
3 | . SiO2 | |||
4 | . | |||
5 | ||||
6 | - | |||
7 | ||||
8 | ||||
9 | - | |||
10 | -: - , /3 - , - , | |||
11 | - |
3 ()
1 | ||||
2 | SiO2, % | |||
3 | . SiO2 | |||
4 | . | |||
5 | ||||
6 | - | |||
7 | ||||
8 | ||||
9 | - | |||
10 | -: - , /3 - , - , | |||
11 | - |
3
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2. .
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() - ________________________________________________
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3. - ( ).
4
1 | |||
2 | |||
3 | |||
4 | |||
5 | |||
6 | |||
7 | |||
9 | - | ||
10 | : - , /3 - , - , | ||
11 |
4 ()
1 | |||
2 | |||
3 | |||
4 | |||
5 | |||
6 | |||
7 | |||
9 | - | ||
10 | : - , /3 - , - , | ||
11 |
4
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1) 1 ;
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2) 2 ;
3) 3 ;
4) ; 3% HCl;
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2. :
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5