BS ISO 4689-3:2004
$142.49
Iron ores. Determination of sulfur content – Combustion/infrared method
| Published By | Publication Date | Number of Pages |
| BSI | 2004 | 24 |
PDF Catalog
| PDF Pages | PDF Title |
|---|---|
| 3 | TitlePage – Iron ores�— Determination of sulfur content�— |
| 5 | TableofContent – Contents Page |
| 6 | Foreword – Foreword |
| 7 | Introduction – Introduction |
| 9 | Scope – 1��� Scope NormativeReference – 2��� Normative references Clause1 – 3��� Principle |
| 10 | Clause1 – 4��� Reagents UntitledSubclause2 – 4.1��� Metallic iron UntitledSubclause2 – 4.2��� Magnesium perchlorate UntitledSubclause2 – 4.3��� Iron(III) oxide UntitledSubclause2 – 4.4��� Metallic tin UntitledSubclause2 – 4.5��� Metallic tungsten UntitledSubclause2 – 4.6��� Soda-asbestos UntitledSubclause2 – 4.7��� Sodium hydroxide UntitledSubclause2 – 4.8��� Standard sulfur solution Clause1 – 5��� Apparatus UntitledSubclause2 – 5.1��� Oxygen supply UntitledSubclause2 – 5.2��� Absorption tower UntitledSubclause2 – 5.3��� Drying tower UntitledSubclause2 – 5.4��� High-frequency induction furnace UntitledSubclause2 – 5.5��� Combustion tube UntitledSubclause2 – 5.6��� Refractory combustion crucible |
| 12 | UntitledSubclause2 – 5.7��� Tin capsule UntitledSubclause2 – 5.8��� Metal filter UntitledSubclause2 – 5.9��� Dust trap UntitledSubclause2 – 5.10��� Detector for infrared absorption UntitledSubclause2 – 5.11��� Micro-pipette |
| 13 | Clause1 – 6��� Sampling and samples Subclause2 – 6.1��� Laboratory sample Subclause2 – 6.2��� Preparation of predried test samples Clause1 – 7��� Procedure Subclause2 – 7.1��� Number of determinations Subclause2 – 7.2��� Test portion Subclause2 – 7.3��� Blank test and check test Subclause2 – 7.4��� Determination |
| 14 | Subclause2 – 7.5��� Preparation of calibration graph Clause1 – 8��� Expression of results Subclause2 – 8.1��� Calculation of sulfur content |
| 15 | Subclause2 – 8.2��� General treatment of results Subclause3 – 8.2.1��� Repeatability and permissible tolerance Subclause3 – 8.2.2��� Determination of analytical result Subclause3 – 8.2.3��� Between-laboratories precision |
| 16 | Subclause3 – 8.2.4��� Check for trueness Subclause3 – 8.2.5��� Calculation of final result |
| 17 | Clause1 – 9��� Test report |
| 18 | AnnexNormative – Flowsheet of the procedure for the acceptance of analytical values for test samples |
| 19 | AnnexInformative – Derivation of repeatability and permissible tolerance equations |
| 20 | AnnexInformative – Precision data obtained by international analytical trial |
| 22 | Bibliography – Bibliography |
