Made in the USA. TESTING INSTRUCTIONS: Place half a drop of the closest acid to the karat you estimate the metal to be, on the metal you placed on the testing ...

Продолжительность: 0:47
Опубликовано: 8 авг. 2022 г.

Продолжительность: 23:20
Опубликовано: 8 июл. 2021 г.

24,99 $ This is everything you need to determine if your gold, silver, or platinum is real or fake! Simple and easy to read 3-Step Testing Instructions Included!

Scratch the piece to be tested over the surface of the black stone provided, press well so as to leave a visible deposit, preferably a line of one to one-half ...

Продолжительность: 11:48
Опубликовано: 11 февр. 2024 г.

Scratch a 1 inch line on the black test stone. Apply the acid from the bottle marked 10k. If the scratch dissolves completely the object is less than 10k. If ...

Rub the article on a test stone and apply a drop of platinum solution. A platinum mark will remain the same white color with no reaction. Testing for Gold.

12,34 $ В наличии Simply scratch the test stone with your jewelry and apply a drop of the acid to the stone and watch the results appear!This 6 piece listing includes: (BUNDLE & ...

We will use a bottle of each karat solution about every 3-6 months, but it will take us about a year or more to use the contents of the 22k acid. By the time ...