Posts Tagged ‘refinery’

How to Sell Your Precious Metal Items

11-4-10    Posted by: clientadmin

1) Have reasonable expectations. Unless you know for a fact that you have valuable precious metal items, be prepared that there may be very little precious metal available for extraction. Also keep in mind that a refiner’s offer only reflects the value of the item by weight and quantity alone, not the retail value.

2) Do your homework. So you are not surprised, try to assess how much your items are worth beforehand. This could include several steps such as researching precious metals online, making a trip to a local jeweler or requesting an online estimate. Also, remember to remove stones and any other non-metal materials before sending them to the refiners.

3) When you’re ready to sell, research a dealer you are comfortable with. There are many gold buying scams out there that you want to stay away from. Here are some tips to avoid being taken advantage of:

  • Determine if the dealer is a middleman or the refiner. A middleman will buy your items for less in order to resell to a refiner and turn a profit. Refiners have more knowledge of the actual process and can offer a better price than a middleman. Arch Enterprises is a refiner and offers between 60%-90% of the metal value to sellers.
  • Look for creditability through who endorses the company. If reputable companies stand by a refiner, this reflects positivity on their business dealings. Arch Enterprises is endorsed by the Missouri Dental Association and the Kansas Dental Association.

4) Insure your items through the mail. Make a note of what you’re sending off by writing descriptions, taking pictures or both.

5) Be organized. Cover all your bases by making copies of all the documents you send and receive to keep for your records, including emails. Even record all phone calls with the date, time and information discussed.

6) If you have a positive experience selling your precious metals, tell others and spread the word.


Posted In: All, Uncategorized


Is there any way to tell if my platinum ring is pure platinum?

9-23-09    Posted by: clientadmin

Is there any way to tell if my platinum ring is pure platinum? — Beth in Stillwater, OK

The two most common purities of platinum used in jewelry are:

Plat - 950 Plat is considered nearly pure platinum and usually contains 95% platinum and 5% iridium.  It is quite expensive and typically the highest grade of platinum available for jewelry making.

IridPlat - This platinum is 90% pure platinum with 10% other metals mixed in…typically iridium. These rings can be marked with a hallmark of “.90 Plat” as well and therefore have a slightly lower melt value than their purer platinum counterparts.

Obviously pure platinum will yield higher returns, however at around $1,322.00/troy ounce, platinum alloyed with other materials can return a surprisingly high melt value.




Precious Metal Terms and Uses

9-18-09    Posted by: clientadmin

I am an avid metal detector user and am studying up on some of the industry terminology as I prepare to get some of the items I have found refined. For example, what is meant by “gold filled”, “troy ounce” and “pennyweight.” — Rick in Louisiana, MO

Thank you for you inquiry, following are some of the common terms used in the precious metal refining industry.

Carat – a unit of weight for gems
Karat (K, kt) – is measure of purity for gold
Fineness – the proportion of pure precious metal in an alloy, often expressed in parts per thousand
Fine Weight – the metallic weight of a coin, ingot or bar
Gross Weight – the total weight of an item, including the alloying metal
Gold Standard – a monetary system in which a region’s common medium of exchange are paper notes that are normally freely convertible into pre-set, fixed quantities of gold
Hallmark (plate mark) – an official mark or stamp indicating a standard of purity, used in marking gold and silver articles.
Luster – a substance, as a coating or polish, used to impart sheen or gloss
Ounce – a unit of weight. In the precious metals industry, an ounce means a troy ounce equal to 31.1035 grams
Spread – the difference between the buying price and the selling price of a precious metal
Troy Ounce – a unit of weight equal to 480 grains or 1/12 of a pound
Grain – the smallest unit of weight
Face Value – the nominal dollar amount assigned to a security by the issuer
Retail Value – the sale of goods or articles individually or in small quantities directly to the consumer
Pennyweight (dwt, pwt, PW) – a unit of mass which is the same as 24 grains, 1/240th of a troy pound, 1/20th of a troy ounce, approximately 0.055 ounces or approximately 1.555 grams
Hardness (HV) – sometimes called “scratch resistance,” the Vickers Hardness scale tests hardness of a metal by pushing a pointed object into the surface with a specific load and gauging penetration
Metal - any category of electropositive elements that usually have a shiny surface; typical metals are from salts with non-metals, basic oxides with oxygen and alloys with one another
Salt – crystalline chemical compound formed from the neutralization of an acid by a base containing a metal or group acting like a metal
EPNS – electroplated nickel silver or silver plate
Gold Filled (G.F.) – an item that has a thin outer layer of gold over a base metal. Items must be at least 1/20 gold by weight to be called gold filled
Gold Rolled (R.G.P) – Popular during the 19th century where a very thing sheet of solid gold is laminated to a lesser metal then fused together
Gold Plating – also referred to as electroplate (GEP), is a process where one metal is coated with another metal using electricity
Pinchbeck – gold substitute made with a combination of 9 karat gold, copper and zinc
Vermeil – usually gold plated sterling silver

Are there any precious metal terms we left out that you would like to know?




Are there differences in melt values between White Gold and Yellow Gold?

9-16-09    Posted by: clientadmin

Are there differences in melt values between White Gold and Yellow Gold? — Sue in Cleavland, Ohio

For the most part, gold jewelry of the same karat value will have about the same melt value whether it is white gold or yellow gold. Aside from 24 karat (pure gold), all other karats of gold are alloys that include some other metals in them.  For example, an 18 karat gold item is about 75% gold alloyed with other metals that in turn affect the item’s color and hardness. Palladium and nickel are often used to create white gold while copper and silver are used for yellow gold.

Of course, nickel has dermatological health issues with it and palladium is expensive, so some white gold alloys actually include magnesium or chromium. Today, you are more likely to find rhodium plated gold as this metal often provides the look that consumers want, but the cost is so high that it is typically just plated onto the gold.  As a general rule, there is usually not a significant difference in melt value between an 18 karat yellow gold ring and an 18 karat white gold ring of the same weight.

24 karat gold is 99.84% gold (not achievable in white gold)
22 karat gold is 91.52% gold  (not achievable in typical white gold)
20 karat gold is 83.33% gold
18 karat gold is 74.88% gold
14 karat gold is 58.24% gold
10 karat gold is 41.60% gold
9 karat gold is 37.44% gold


Posted In: All, Forum Questions, Gold


Arch Enterprises is one of the nation’s leading precious metal refineries. The company is happy to answer questions about precious metal refining for items made from gold, silver or platinum.

Estella in Grand Rapids, MI asks if all silver plated flatware is brass under the silver plate. There are many different kinds of silver plating techniques. Arch only refines sterling silver, however other metals may be able to be recycled and sold.

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“I have .52576 oz Yellow Dental Gold And .73968 oz of Hi Noble Dental Gold. How much can I receive for this material? –From a dentist in Chicago, Illinois.” We recommend selling dental gold to dental refiners that specialize in working with dental gold and that work with dental offices on a regular basis.

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Denny in Miami, Florida asks where the best place is to sell dental x-rays. Arch Enterprises is one of the top silver refiners and work with dental offices across the nation.

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