The Floatability of copper on the Modified Hallimond tube depend on lots of parameters such as dosage and types of collector, frother, air flow rate, flotation time, and pH value. All of this parameters give different ...

In this study, natural HA were extrated from clean cow bone by treatment with NaOH and heating at high temperature before ground into fine powder. The HA powder were than mixed together with binder for several hours. Dense ...