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Actlabs
Geochemistry / Assay


Sample Preparation

To obtain meaningful analytical results, it is imperative that sample collection and preparation be done properly. Actlabs can advise on sampling protocol for your field program if requested.  Once the samples arrive in the laboratory, Actlabs will ensure that they are prepared properly. 

 

As a routine practice with rock and core, the entire sample is crushed to a nominal minus 10 mesh (1.7 mm), mechanically split (riffle) to obtain a representative sample and then pulverized to at least 95% minus 150 mesh (106 microns).  All of our steel mills are now mild steel and do not induce Cr or Ni contamination. Quality of crushing and pulverization is routinely checked as part of our quality assurance program. Samples submitted in an unorganized fashion will be subject to a sorting surcharge and may substantially slow turnaround time.  Providing an accurate detailed sample list by e-mail will also aid in improving turnaround time and for Quality Control purposes.


Our Sample Preparation pricing is all-inclusive including: sorting, driving, labeling, new reject bags, using cleaner sand between each sample and crushing up to 7kg (for RX1 and RX1-SD)
 

See page 7 of the pricelist for preparation and additional fees

 

Rock, Core, and Drill Cuttings

RX1


Rx1 -SD

Crush (<7kg) up to 90% passing 2mm, riffle split (250g) and pulverize (mild steel) to 95% passing 105u. Cleaner sand included

Crush (<7kg) up to 90% passing 2mm, rotary split (250g) and pulverize (mild steel) to 95% passing 105u

RX1+500

RX1+800

RX1+1000

500 grams pulverized

800 grams pulverized

1000 grams pulverized

RX3

RX4

RX5

RX6

Oversize charge per kilogram for crushing

Pulverization only (mild steel) (coarse pulp or crushed rock) (<800g)

Pulverize Ceramic (100g)

Hand Pulverize Small samples (agate mortar & pestle)

RX7

RX8

RX9

RX10

RX11

Crush and Split (<7Kg)

Sample Prep only surcharge, no analyses

Compositing (per composite) dry weight

Weight (Kg) as received

Checking Quality of pulps or rejects prepared by other labs and issuing reports

Note: Larger sample sizes than listed above can be pulverized at additional costs

RX12

Ball Mill Preparation

RX13

Rod Mill Preparation

RX14

Core Cutting

RX15

Special Preparation/Hour

RX16

Specific Gravity on Core

RX16-W

Specific Gravity (WAX) on friable samples

RX17

Specific Gravity on the pulp

RX17-GP

Specific Gravity on the pulp by gas pycnometer

 
Pulverization Contaminants Added

Mill Type

Contaminant Added

Mild Steel
(best choice)

Fe (up to 0.2%)

Hardened Steel

Fe (up to 0.2%). Cr (up to 200ppm), trace Ni, Si, Mn, and C

Ceramic

Al (up to 0.2%), Ba, Trace REE

Tungsten Carbide

W (up to 0.1%), Co, C, Ta, Nb, Ti

Agate

Si (up to 0.3%), Al, Na, Fe, K, Ca, Mg, Pb

Note: amount added depends on hardness of material and particle size required


Activation Laboratories Ltd. | 41 Bittern Street, Ancaster, Ontario, L9G 4V5, Canada | TF: +1.888.228.5227
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