Internet has no windows, your browser usually have.
So please answer these questions:
1 Have you read C.M. Hokes book on refining? It is free for Download on the forum.
2 Have you studied the safety section on the forum?
3 Have you read the section on dealing with waste on the forum?
4 Next do you know the colors of the different solutions, Gold, Palladium and Platinum?
Do you know the colors of positive Stannous for the same?
5 Why do you add Ammonium Chloride to your solutions, and do you know the proper procedures for using it?
Well this is a starter.