The ceramic plate test cpt or surface mount process simulation test 1 has been used in the industry since the early 1990s to evaluate solderability of component terminals.
Ceramic plate gold test.
The porcelain tile test also known as the gold scratch test requires a ceramic plate or a piece of unglazed porcelain tile.
You can easily purchase a ceramic plate or porcelain tile through a home maintenance store or online.
On the left a specimen of pyrite has produced a black streak.
For this test you will need either a black jeweler s stone an unglazed ceramic plate or an unglazed porcelain tile.
Simply draw your gold across an unglazed ceramic plate applying slight pressure.
Set an unglazed ceramic plate firmly on a countertop or table.
Ceramic test dragging your gold over a ceramic plate is another quick and uncomplicated way to test your gold.
If it leaves a black streak the item is not gold.
The black jeweler s stone should be purchased through a local jeweler or online from a jewelry retailer.
Try getting an unglazed ceramic tile or a plate online or from your local home improvement store.
This ceramic plate offers you excellent multi shot protection yet it s incredibly thin and lightweight.
A black line indicates that the item is not gold or is plated.
If the streak is gold in color the item is likely gold.
It is much safer than other tests involving scratches or acid.
Using equipment and ingredients you already have you can test the authenticity of gold with a very simple test conducted in your own kitchen.
The cpt simulates the environment that surface mount devices encounter during solder reflow.
Scratch or rub your gold across the tile plate and take a look at the color of the streak.
Rub your gold across a ceramic plate.
This test scratches the gold a little bit but doesn t typically leave much noticeable damage.
Scrape the item against the plate.
However if the mark is black then it is fake.
If you can see a gold mark on the ceramic once you ve done this then the gold is real.
On the right a specimen of rhodochrosite has produced a white streak.
If you ve ever wondered whether a gold piece is real gold or some other type of metal you can find out without taking it to a jeweler or pawn shop.
Marks known as streaks are produced by scraping mineral specimens across unglazed porcelain plates.
Additionally this is a traditionally cut design so you don t have to expect anything out of the ordinary when you unbox this armor.
In this method solder paste is.
A porcelain scratch test can be performed by using an unglazed tile or ceramic plate and scratching the object on the tile.
A golden yellow streak indicates real gold while a black streak shows that your item is fake or it s pyrite.