Gold / Silver Jewelry Tester Acid Test Kit 10k and Testing Stone New JSP

Fresh Genuine JSP Gold Testing Acids 10K & SILVER
with
2″ Testing Stone (Size may vary between 2×1.5 and 2×3)
Gold testing via acid solutions are a classic way of testing gold items for their karat values. This method is best used on scrap gold to be smelted due to the destructive nature of the testing, but can be used on gold pieces to be worn if the testing if done in an inconspicuous spot.
PLEASE NOTE: Gold testing acids are made using NITRIC ACID that can harm the skin. Please exercise caution when using this method of testing, including proper protective eye wear and gloves. Nitric Acid can burn the skin and leave stains.
Procedures for Testing Gold, Platinum and Silver:
To test for the karat value of gold, platinum and silver, you will need the following materials and tools:
Black acid testing stone that is washed thoroughly with water prior to each test OR a needle file
Acids
Reference Gold – Either Gold Testing Needles or Verified Gold Pieces
Testing for 10K, 12K and 14K:
Scratch or Rub the piece onto the test stone, leaving a visible deposit of gold on the stone. Next to this position, scratch the appropriate needle (10, 12, or 14K) – if you do not have needles you can use a gold item that has a known karat value. Place a drop of the appropriate acid (same solution as the needle/gold item you have used) on the stone where the gold deposits are. If the gold is the same karat or higher, the acid will not affect the gold marks. If the gold piece is of a lower karat, the scratched deposit will dissolve and eventually disappear while the mark from the needle will stay.
When testing for potential gold plated items such as heavy necklaces and earrings, use a metal file to make a slight gouge in the piece. Place a drop of acid (the acid should match the karat value of the gold on the piece) onto the gouge. If the item is gold-plated, the acid will slowly dissolve the metal underneath. If the item is pure gold, no reaction should occur.
By repeated trial, the karat of the gold pieces can be determined to a close approximation.
(Caution: Many objects are marked 14K, but were fabricated prior to 1982 when it was legal to mark items 14K, but in reality the gold was 13.5K When testing 13.5K gold the 14K solution will not dissolve the scratch, but will make it lose its brightness and will turn it into a yellow-rusty color)
Testing For Silver
Place a drop of acid on the object to be tested.
Color Results:
Fine silver .999 =  bright red
.925 silver = dark red
800 silver = brown
500 silver = green
NOTE: We are an authorized distributor of JSP.
JSP is the only manufacturer for all gold testing acids in the United States. If you purchase any acids in the U.S. with another brand name, it is inauthentic. Therefore they may not perform as expected.
Because our acids are authentic, we can guarantee they are sealed, fresh, and that we rotate our stock frequently.
SHIPPING
CONTINENTAL US BUYERS:
All orders placed before 3pm on a business day (Monday – Thursday excluding Holidays) will ship same or next day. Any order placed Friday-Sunday will be processed the following Monday.
We promise a maximum handling time of 2 days for any order.
INTERNATIONAL BUYERS:
Please inquire for additional shipping costs. Any extra shipping fees must be covered by the buyer.
Any customs fees (duties and taxes) charged by your country are the sole responsibility of the buyer
RETURNS
GENERAL RETURN POLICY
If you are not satisfied with item(s) purchased from us, you may return your item(s) in original condition for a refund within 14 days of
receipt
after contacting us. No returns will be accepted for any reason after the 14-day period.
Items returned in unused, original condition, you will receive a 100% refund. Returned merchandise must include all packaging, along with included contents and accessories,
bonus items
, documents or paperwork, and Proof of Purchase in order for the full refund to be honored. Please read the entire product description. Items that do not fall within the manufacturer’s return or exchange policies cannot be accepted for returns or refunds.
Customer is responsible for shipping costs on any returned merchandise.
There will be no refunds or exchanges for used gold testers or any testing liquids (gold testing liquid, acids, R.I. liquid, gel refills).
INTERNATIONAL BUYERS:
Please remember, that return shipping fees are buyer’s responsibility.
IMPORTANT: Please be aware that we are not responsible for any item that we do not receive or returned merchandise that is not accordance with these terms.
DAMAGED/DEFECTIVE MERCHANDISE:
If you receive a damaged, defective, or incorrect item, contact us within 2 days. If you receive merchandise with extensive damage to its packaging upon arrival, please refuse the order and contact us immediately. In such an event, we recommend that you contact the shipper immediately to report the damaged goods.
WARRANTY:
All warranties are offered solely by the manufacturer. If you want to return an item more than 14 days after you received it from us, you will need to contact the manufacturer, which we can assist you with.