AS 1038.6.2-2007

$70.16

Coal and coke – Analysis and testing, Part 6.2: Higher rank coal and coke – Ultimate analysis – Nitrogen

Sets out a method for the determination of nitrogen in the analysis sample of higher rank coal or coke by conversion to ammonium sulfate. Two methods for the distillation of ammonia are given.

Table of contents
Header
About this publication
Preface
Foreword
1 Scope
2 Referenced documents
3 Definitions
4 Principle
5 Safety
6 Reagents
6.1 General
6.2 Sucrose
6.3 Mixed catalyst
6.3.1 Catalyst 1
6.3.2 Catalyst 2 (for use with unreactive coke, i.e. coke that does not digest adequately with Catalyst 1)
6.3.3 General
6.4 Sulfuric acid (p20 1.8 g/mL)
6.5 Standard sulfuric acid solution (0.005 mol/L)
6.6 Boric acid solution, saturated
6.7 Sodium hydroxide solution
6.8 Screened indicator solution
7 Apparatus
7.1 Digestion flasks
7.2 Stopper
7.3 Heating unit
7.4 Distillation apparatus
7.5 Burette
8 Samples
9 Procedure
9.1 Sample digestion
9.2 Distillation
9.2.1 General
9.2.2 Procedure A
9.2.3 Procedure B
9.3 Determination of the blank
10 Calculation
11 Reporting of results
12 Precision
13 Test report

Cited references in this standard
Content history

[Superseded]

DR 06665

AS 1038.6.2-2007 REC:2017

Please select a variation to view its description.

Published

23/02/2007

Pages

8

Please select a variation to view its pdf.

AS 1038.6.2-2007
$70.16