PAL 1000

Key Information

  • One machine capable of processing 500 samples per shift
  • Total turnaround time can be as low as 1.5 hours
  • 52 steel pots
  • Samples are completely pulverised and simultaneously leached with cyanide and LeachWELL in less than one hour
  • Fully enclosed for safety and quiet operation, won’t start until access panels are closed
  • Fully programmable operating parameters for each cycle

PAL 1000

The machine contains 52 steel pots, each having the capacity of 1kg sample, 1.5L water and grinding media. Samples are completely pulverised (typically to better than 90% – 75 microns) and simultaneously leached with cyanide and LeachWELL in less than one hour. Slurry samples are taken and the solution is analysed for Gold by solvent extraction AAS.

The pots and grinding media are then washed and the grinding media is replaced. Water, the next sample and two Assay Tabs are added and the process is repeated. Total turnaround time can be as low as 1.5 hours.


The emphasis on pulverising the entire sample is removed in most cases because such a large sample is assayed not just prepared. Moisture determinations may be done in parallel using smaller sample splits if required.

Machine speed, grinding media charge, cycle times and reagent dose can all be varied according to sample matrix.

The machine is fully enclosed for safety and quiet operation and cannot be started until the access panels are closed. Operating parameters for each cycle are fully programmable.

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Recommended in conjunction with this product

Assay Tabs

AssayPowder is a specially formulated powdered form of AssayTab for laboratory use with bottle rolls and tumblers. This product eliminates the need for double handling reagents since measured amounts can be added directly to the bottle or jar. Technicians can easily tailor their additions to meet test work requirements.



DTOX is a waste water treatment product that precipitates heavy metal ions and neutralises cyanide. DTOX reacts quickly with free and complex cyanides. The end products are ultimately released to the environment as carbonates and ammonia (beneficial to flora). Test work has shown that the reaction is rapid and much safer than hypochlorite.

Laboratory centrifuge

Laboratory Centrifuge

MPC's low speed centrifuge is an ideal accessory for the laboratory performing cyanide extractable gold analyses by bottle roll or tumbler.