Overcarated gold alloys Use this on-line application to quickly determine the amount of master alloy that you will need to add when you have an overcarated gold alloy. How it works: • Type the current weight of the gold alloy, expressed in grams, in the first section. • Type the current caratage of the gold alloy, expressed in parts per thousand, in the second section. • Type the title of the gold alloy that you wish to obtain in the third section. • Click on "submit" to visualize the total weight and the amount of master alloy that you will need to add. • If you make a mistake, use the backspace key to erase and retype your entry. If you make several mistakes, you can clear the form by clicking on the "Reset" button.