CEM BLADE - Perform a Digestion; Operating Parameters; Vessel Assembly

21Perform a Digestion
Perform a Digestion
WARNING
For digestions using hydrouoric acid (HF), see “Appendix A: Hydrouoric acid (HF)
Applications.” A TFM liner is required for HF applications.
WARNING
Proper precautions must be taken to avoid contact with acid or acid vapors. Personal
protective equipment (PPE) should be worn as outlined in the user’s safety program for
hazardous materials and the manufacturer’s safety data sheet. Refer to these guidelines for
proper handling and disposal.
Operating Parameters
Quartz Vessel
Quartz Vessel with TFM™ Liner
Volume (mL) 4 - 30 See Appendix A:
Hydrouoric acid (HF)
for details
Pressure (psi) 50 - 700
Ramp Time (min/stage) 1 - 30
Hold time (min/stage) 0 - 60
Temperature (°C) 50 - 300
Max Sample Weight
Food, Plant, and Animal Tissue 2 g
Oil and Plastic 0.5 g
Pharmaceutical 1 g
Inorganic 1 g
Metallurgical 1 g
Environmental and Regulatory 1 g
Vessel Assembly
1. Locate the quartz vessel. Ensure that vessel is clean and free of etching, scratches, and cracks.
2. Place an appropriately sized, coated stir bar into vessel.
WARNING
Always use a coated stir bar that adequately mixes the reaction contents in the microwave.
3. Weigh and place the sample into the vessel. The maximum sample weight varies per sample type.