1 - AS 2239-1993 GALVANIC (SACRIFICIAL) ANODES FOR CATHODIC PROTECTION
4 - PREFACE
5 - CONTENTS
6 - SECTION 1 SCOPE AND GENERAL
6 - 1.1 SCOPE
6 - 1.2 REFERENCED DOCUMENTS
6 - 1.3 DEFINITIONS
6 - 1.3.1 Anode backfill
6 - 1.3.2 Anode consumption rate
6 - 1.3.3 Anode core
6 - 1.3.4 Cathodic protection
6 - 1.3.5 Closed circuit potential
6 - 1.3.6 Current capacity
6 - 1.3.7 Current density
6 - 1.3.8 Driving potential
6 - 1.3.9 Galvanic action
6 - 1.3.10 Galvanic anode
6 - 1.3.11 Gross anode mass
6 - 1.3.12 Net anode mass
6 - 1.3.13 Open circuit potential
6 - 1.3.14 Packaged anode
6 - 1.3.15 Reference electrode
6 - 1.3.16 Resistivity
7 - 1.3.17 Test anode
7 - 1.3.18 Test sample
7 - 1.3.19 Test specimen
7 - 1.4 DESIGNATION
7 - 1.4.1 Anodes
7 - 1.4.2 Backfill
7 - 1.5 FREEDOM FROM DEFECTS
7 - 1.6 THICKNESS OF CORE COVER
7 - 1.7 MARKING
7 - 1.8 ROUNDING OF TEST RESULT VALUES
8 - SECTION 2 ANODE AND CORE REQUIREMENTS
8 - 2.1 SCOPE OF SECTION
8 - 2.2 ANODES
8 - 2.2.1 Anode composition
8 - 2.2.2 Anode mass and dimensions
8 - 2.3 CORES
8 - 2.3.1 Placement of anode core
8 - 2.3.2 Finish
8 - 2.3.3 Methods of attachment of cable for buried anodes
9 - 2.3.4 Colour of cable insulation
11 - SECTION 3 PERFORMANCE REQUIREMENTS
11 - 3.1 SCOPE OF SECTION
11 - 3.2 MECHANICAL TEST
11 - 3.3 ELECTRICAL RESISTANCE
11 - 3.4 CONSUMPTION RATE OF ALUMINIUM ANODES IN SEAWATER
11 - 3.5 CLOSED CIRCUIT POTENTIAL OF ALUMINIUM ANODES IN SEAWATER
12 - SECTION 4 BACKFILL FOR BURIED MAGNESIUM AND ZINC GALVANIC ANODES
12 - 4.1 GENERAL
12 - 4.2 BACKFILL COMPOSITION
12 - 4.3 PROPERTIES AND APPLICATION
13 - 4.4 ANODE PACKAGING
14 - APPENDIX A - PURCHASING GUIDELINES
14 - A1 GENERAL
14 - A2 INFORMATION TO BE SUPPLIED BY THE PURCHASER
15 - APPENDIX B - GUIDANCE ON THE APPLICATION OF ANODES
15 - B1 SCOPE
15 - B2 SELECTION OF ANODES
15 - B3 CHARACTERISTICS AND USES OF ANODE TYPES
15 - B3.1 Magnesium anodes
15 - B3.2 Zinc anodes
15 - B3.3 Aluminium anodes
15 - B4 TYPICAL ANODES
15 - B4.1 Magnesium anodes
16 - B4.2 Zinc anodes
16 - B4.3 Aluminium anodes
21 - APPENDIX C - METHOD FOR THE DETERMINATION OF THE ANODE-TO-CORE RESISTANCE OF GALVANIC ANODES
21 - C1 GENERAL
21 - C2 PRINCIPLE
21 - C3 APPARATUS
21 - C4 CIRCUIT
21 - C5 PROCEDURE
21 - C6 REPORT
23 - APPENDIX D - METHOD FOR THE DETERMINATION OF THE CONSUMPTION RATE OF ALUMINIUM ANODE ALLOYS IMMERSED IN SEAWATER
23 - D1 GENERAL
23 - D2 PRINCIPLE
23 - D3 APPARATUS
23 - D4 CIRCUIT
23 - D5 PREPARATION OF TEST ANODES
23 - D6 PROCEDURE
24 - D7 REPORT
25 - APPENDIX E - METHOD FOR THE DETERMINATION OF THE CLOSED-CIRCUIT POTENTIAL OF ALUMINIUM ANODES IMMERSED IN SEAWATER
25 - E1 GENERAL
25 - E2 PRINCIPLE
25 - E3 APPARATUS
25 - E4 CIRCUIT
25 - E5 PREPARATION OF TEST ANODE
25 - E6 PROCEDURE
25 - E7 REPORT