Purity actual amount of desired material x 100 total amount of material. Usually isolation was done via HPLC coupled with a fraction collector followed by identification and confirmation via mass spectrometry and all of a sudden the percentage of purity will be. M 118 0354 1000 3646 1146 M.
You may have previously thought that gold is gold but actually gold varies in purity.
Mpms mp rp Vs mp is mass of the pure substance. Simply take the karat weight of the piece in question and divide it by 24 then the first two numbers following the decimal point are your percentage. Heres how to understand the difference between 9K 10K 14K 18K 22K 24K gold. Use our Weight conversion tool to calculate the weight of gemstone for given carat value.