Hello
Please I done recovery gold from some ores but i got brown colored precipitation from aqua regia solution before i precipitation i added urea than i will add sodium nitrite
please help me i do also sodium meta bisulfate but nothing precipitation occurred
Please I done recovery gold from some ores but i got brown colored precipitation from aqua regia solution before i precipitation i added urea than i will add sodium nitrite
please help me i do also sodium meta bisulfate but nothing precipitation occurred