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Labware Care Overview

Platinum based Labware products are highly resistant to chemical and temperature based corrosion and can be used over 1000’s of samples when a few simple guidelines are followed. We suggest that when you first start using Platinum Labware you ensure you have all the tools you require to get the maximum benefit from the product. We can offer tools and advice so you can maintain your labware on site (small volume labs) or alternatively we offer a remake service where damaged and/or corroded product can be melted down, refined and remade.

General Guidelines

Reduce handling as much as possible:

  • Avoid thermal and physical shock
  • Never place Labware on bench tops
  • Use Platinum tipped tongs when handling hot Labware
  • Use Teflon cradles for cleaning/washing
  • Avoid contact with most metals, e.g. Fe, Cr, Ni, Cu, Zn, Pb – particularly at elevated temperatures

Maintenance

  • Polish and reshape your Pt ware after extended use

Fusion process

  • Use ammonium iodide to facilitate easy removal of beads from moulds
  • Always maintain oxidising condition
  • When performing borate fusion on reducible matter, pre-oxidise first before fusing
  • Do not carry out direct fusions with caustic alkalis, nitrates, cyanides or nitrides in Pt ware

Cleaning

  • For routine operation, place the Labware into a beaker of hot citric acid solution (concentration and temperature to suit)
  • For a quick dry crucible clean, place about 1gm of lithium borate into the crucible, melt, place a grain of ammonium iodide and pour the melt to waste
Release agent Polishing system Mould holder Reshaper Platinum tongs Release agent < 01 of 05 >

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