![[Know Tungsten] Tungsten Scheelite pH Value Regulator AMT image](http://www.ctia.com.cn/en/wp-content/uploads/2017/08/img-20170818-351x185.jpg)
Tungsten scheelite flotation is difficult in separation of scheelite and gangue minerals. Calcium ion affects selectivity of collector. To improve selectivity, pH value regulator shall be added to create better flotation environment for scheelite flotation. http://news.chinatungsten.com/en/tungsten-information/95933-ti-12268