16 Perform a Digestion
CAUTION
Do not use water to dilute the acid(s) greater than 25% when running over 220 ºC or to add volume before
digestion. This can cause uneven heating of vessels.
5. Wait 15 minutes to allow pre-digestion.
6. If applicable, assemble the Easy Prep Plus Control Cover.
6.1. Insert the open end of the thermowell into the control cover until it stops.
CAUTION
Do not force thermowell into control cover as it is fragile and may break.
6.2. Slide the nut onto the thermowell and tighten the nut until nger tight.
7. Place the cover on the liner. If a control vessel is required, use the liner containing the highest amount of
weighed sample as the control vessel.
8. Carefully slide the liner into the sleeve.
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