Silicium standaard oplossing
chemische formule: 1. 2.14 g SiO2 / l 2% KOH
2. 1 g Si / l 2 to 5% HNO3 + traces HF
3. 21.4 g SiO2 / l 2% KOH
4. 10 g Si / l 2 to 5% HNO3 + traces HF
5. 2.14 g SiO2 / l 2% NaOH
6. 2.14 g SiO2 / l 2% KOH
7. 63.36 g (NH4)2SiF6 / l 5% HF
8. 6.336 g (NH4)2SiF6 / l 5% HF
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