Hi there,
When buying Potassium Tetrachloroplatinate (II) powder:
1) what is the 'normal' percentage purity level used in alternative process photography, and
2) does anybody order theirs from Asian sources and get consistent product?
When buying Potassium Tetrachloroplatinate (II) powder:
1) what is the 'normal' percentage purity level used in alternative process photography, and
2) does anybody order theirs from Asian sources and get consistent product?
