How to Test Gold Jewelry Without Acid
Pure gold is called 24 carat, while gold that is 75 per cent gold is 18 carat, 50 per cent gold is 12 carat and 42 per cent gold is 10 carat. Material with less than 10 carat gold is not considered to be gold in the United States. There are several ways to test items for gold without using acid or other chemical tests.