R$259,00
CARACTERÍSTICAS
Composição: Sílica amorfa SiO2, silicato de sódio e cloreto de cobalto – quando azul.
CAS: 112926-00-8.
Aspecto: pérolas irregulares de coloração azul, inodoras.
Teor de SiO2: Mínimo 80%
DESCRIÇÃO
A sílica azul tem em sua composição sais e cobalto, que quando isentos de água é azul e quando saturados de umidade tornam-se rosa.
Para regenerar basta aquecer a sílica fora do tubo em recipiente seco, no forno, estufa, micro-ondas, em temperatura acima de 100 C, até obter a cor azul intensa, deixar esfriar em recipiente seco bem fechado.
Recomendamos trocar a sílica a cada 12 meses.
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