Table of Contents
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TABLE OF CONTENTS
CERTIFICATION .................................................................................................................... iii
SPECIFICATIONS.................................................................................................................. vii
SAFETY PRECAUTIONS .................................................................................................... viii
SECTION 1 GENERAL DESCRIPTION ............................................................................ 3
1.1 Introduction ......................................................................................................................... 3
1.2 Scope of Instructions........................................................................................................... 3
SECTION 2 PREPARATION FOR USE .............................................................................. 5
2.1 Unpacking ........................................................................................................................... 5
2.2 Assembly............................................................................................................................. 6
2.2.1 Heater Assembly........................................................................................................ 6
2.2.2 Fractionating Head System........................................................................................ 7
2.3 Selecting a Temperature Setting.......................................................................................... 9
SECTION 3 SAFETY & ENVIRONMENTAL CONSIDERATIONS............................. 11
3.1 Digesdahl Digestion Apparatus......................................................................................... 11
3.2 Using Hydrogen Peroxide ................................................................................................. 12
3.3 Using Sulfuric Acid........................................................................................................... 14
3.4 Clean Up of Spills and Leaks............................................................................................ 14
3.5 Waste Management ........................................................................................................... 15
CONSIDERATIONS DE SECURITE ET D'ENVIRONNEMENT....................................... 16
3.6 Minéralisateur Digesdahl .................................................................................................. 16
3.7 Utilisation de l'eau oxygénée............................................................................................ 17
3.8 Utilisation de l'acide sulfurique ........................................................................................ 19
3.9 Nettoyage des déversements et fuites................................................................................ 20
SECTION 4 OPERATION ................................................................................................... 21
4.1 Apparatus Preparation ....................................................................................................... 21
4.2 Digestion ........................................................................................................................... 21
4.2.1 Appropriate Sample Size ......................................................................................... 22
4.2.2 Proper Digestion Solution Temperature .................................................................. 22
4.2.3 Sufficient Sulfuric Acid ........................................................................................... 22
4.2.4 Carbonization Period ............................................................................................... 24
4.2.5 Adequate Peroxide Concentration for Sufficient Time............................................ 24
4.2.6 Containment of Sample ........................................................................................... 25
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