Testing acids come in sturdy plastic bottles with an internal baffle to prevent leaks and maximize safety. Plus, it allows the user to precisely drop the amount needed. Only a small drop is needed, so you will get hundreds of tests out of each bottle! Each bottle contains 12 grams of solution. Avoid ingestion, and contact with skin and eyes.
• Scratch or rub the metal you are testing onto the stone - hard enough to make a visible streak or mark onto the stone.
• If the metal is Platinum, the acid will allow the metal to keep its bright white color.
• If your item is not Platinum, then the acid will dissolve the metal.