What We Do at Assay One, East Providence RI
Assay One is an independent Fire Assaying company in East Providence, Rhode Island which opened its doors in 1998.
Here at Assay One we provide quick, accurate, competitively priced and unbiased analysis of Gold and Silver products and materials to the local and national Jewelry and Metals Industry.
The fire assaying process has a long history whose origins have have been traced back to the Bible.
Shown below are pictures which demonstrate two of the phases of the fire assaying process:
 Inside the furnace, this is molten metal in the Cupellation process, at approximately 900 Centigrade. |
 This is Gold being separated, or Parted, from Silver in Hot Nitric Acid on a hotplate. |
Contact us for
information on:
Gold and Silver Fire Assays
Quality control of Gold and Silver
Umpire Analysis of Gold and Silver
401-434-3337
- Specializing in the fire assay of gold & silver
Ed Brennan, Lab Manager
105 Dexter Road
PO Box 14040
East Providence, RI, 02914
Phone/Fax 401-434-3337
Email at: assayone@aol.com
Assay One is a fire assaying lab that specializes in:
fire
assaying
material
analysis
quality
control testing of metals
analysis
of gold samples
analysis
of silver samples
sterling
silver analysis
ion
exchange resin analysis
monitoring
of plating solution
Umpire analysis