Page 20 - Catalog Instruments and Supplies

20 SCP SCIENCE Non
Digestion & Evaporation Systems Reactive
Samples
Method Development Guide
Non Reactive samPLES

NON REACTIVE EXAMPLES
i.e. Drinking Water, Waste Water

Sample, (Hg analysis) -
Water/Soil

Choose Acid Combination

PlasmaPURE HCl Acid PlasmaPURE HNO3 Acid PlasmaPURE HNO3/HCl Acids
- Strong non-oxidizing mineral acid - Strong oxidizing mineral acid - Very strong oxidizing media
- Sample digested between 65°C and 95°C - Reacts upon mixing - forms brown fumes upon mixing
- Sample should be between 65°C - DigiTUBEs, Watch Glasses - Samples should be digested between 65°C and 95°C
- DigiTUBE, Glass, or Quartz sample tubes, Watch
and 95°C
- DigiTUBE, Glass, or Quartz sample Glasses

tubes, Watch Glasses

System Used: DigiPREP MS*, DigiPREP LS*,
DigiPREP Jr.*, DigiPREP h and DigiPREP MINI

* Used with KeyPad, PC Classic or Touch Screen controller

SOLID LIQUID *Suggestion for Hg in Water Only*
To prevent pressure build-up, loosen

the cap by 1/4 turn.

2 grams of solid sample - 50 ml of liquid sample
- max 10 ml acid - Can use closed caps *

Digest Sample Digest and Concentrate

Filter Sample DigiSET
(if necessary) - used for unattended

Digestion evaporation
Complete
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