Assay Services

Please review the analytical assay services below. Please call for pricing and quotation.

Basic Sevices

Au, PGM’s by Fire assay PGM’s Pressure Digestion Vessel (PDV) Ag, Base Metals by 3 Acid DissolutionPrescious Metal ICP Scan 36 Element ICP Scan

ICP Spectrometer

Aqua Regia dissolution Acid Digestion Vessel dissolution ICP Gold and Silver ICP PGM’s ( Pt, Pd, Ir, Rh) ICP Individual PGM’s each Magnetics and non magnetics seperation Single metal (other than Au, Ag, PGM’s)

Sample Preparation

Crush, split, dry and pulverize up to 1 lbs Samples >1 lbs add per pound Soil and stream sediments screening Soil and stream sediments drying Drying rocks up to 1 lbs Drying rock up to 1 lbs fluidly Splitting and pulverizing Concentrate or high grade dry/pulverize Composite by weight Screen analysis per hour Special sample preparation (extra cost)

Classical Whole Rock

SiO2,  Al2O3, Fe2O3, MgO, CaO, Na2O, K2O, TiO2, P2O5, MnO, LOI & moisture

ICP 35 Elements

Al, Sb, As, Ba, Be, Bi, Cd, Ca, Cr, Co, Cu, Fe, Ga, Ge, K, Pb, Li, Mg, Mn, Mo, Ni, Nb, Na, Se, S, Sr, Ta, Te, Tl, Sn, Ti, W, U, V, Zn

Umpire Assay Type

Gold and Silver Copper Lead Zinc Molybdenum Call for quote

Water Exploration Methods

As, Sb, Be, B, Cd, Ca, Cr, Co, Cu, Fe, P b, Li, Mg, Mn, Mo, Ni, K, Se, Na, V, Zn. With detection limit of 0.1 mg/L Sample should be preserved in plastic container with 5% HNO3

Additional Analytical Services

Custodial Assays– A CSAL representative will come out to your property, sample, and note GPS coordinates. Analysis of the samples are an additional charge. Plus drive time and travel. Call for quotation. Legal Representation– If there is a need for legal representation, we will defend our data and reports in court. Call for quotation. Screen Analysis Analysis for soils, sludges and water samples

Pulps & Rejects

All leftover sample(s), rejects, and pulps will be stored at our facility for 45 days. After the 45-day period, they will be discarded. This is also mentioned at the bottom of the chain of custody. Please do not call and request an assay on a pulp past the deadline, it will no longer be here. This statement is for all to review and will take into effect immediately. If you would like a sample returned, please call for quotations on charges.


Shipping/Payment Information

Send samples to: CSAL INC. 1050 Spire Dr Unit I Prescott, AZ 86305 Samples should be individually labeled, sealed and protected for shipping. We require 227 grams (1/2 lb) to 454 grams (1 lb) of ore material for analysis and at least 30 grams for concentrates. Any sample greater than 2068 gram (5 lbs), additional fees may apply per sample. Please download and fill out our Sample Submittal Form and include with sample/s (If we do not receive a submittal form with the sample, reports cannot be generated.) Fill out form carefully and clearly. Sample(s) are returned at a cost. Payments are due with submitted sample before any procedures are started. Reports will not be issued without payment in full. Credit cards are accepted. Visa ,Master Card , and American Express. Any delinquent invoices may be sent to collections or work with unpaid invoices will be rejected until all amounts are paid off. A report will not be sent out unless the payment is made in full. Standard Turn Around Time is 10 to 15 Business Days, On samples submittal less than 100 samples.

*We do not provide RUSH services.


Other Information

  • Prices are subject to change without notice.
  • Prices are subject to change when testing complex ores.


All reports are held in strict confidence. We will only release test results to a third party when authorized in writing by the original client. Reports and results are solely based upon the sample/s submitted by the client. Reports are for the exclusive use of the client to whom it is addressed and upon the condition that the client assumes all liability for the further distribution of any report or its contents. Procedures are confidential to CSAL Inc only, and are not distributed to potential/current clients.