BS 2455-2:1983
Withdrawn
A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.
Sampling and examining deposits from boilers and associated industrial plant Methods for sampling and examining fire-side deposits
Hardcopy , PDF
09-15-1998
English
12-30-1983
Foreword
Committees responsible
Methods
Section one. General
1. Scope
2. Definitions
3. Reagents, water and apparatus
Section two. Sampling
4. General principles
5. Methods of sampling deposits
6. Quantitative sampling; rate of corrosion
7. Labelling of samples after collection
8. Detailed information about sample
Section three. Physical examination
9. Visual examination
10. Microscopic examination
11. Other instrumental methods
Section four. Scheme for examination
12. General
13. Constituents for determination
14. Preparation of test sample
15. Qualitative analysis
16. Scheme for quantitative analysis
Section five. Determinations made directly on test
sample
17. Carbon
18. Iron ferrous
19. Acidity, free; pH value of aqueous extract
20. Loss on heating
21. Oil
Section six. Preparation of solutions for analysis
22. Preparation of solution J
23. Soluble material; preparation of solution K
24. Sulphide; preparation of solution L
25. Preparation of solutions M and N
Section seven. Determinations using atomic absorption
spectroscopy
26. General
27. Aluminium
28. Arsenic
29. Barium
30. Calcium
31. Chromium
32. Iron, total
33. Lead
34. Magnesium
35. Nickel
36. Silicon
37. Vanadium
38. Zinc
Section eight. Alternative methods of determination
39. Aluminium
40. Arsenic
41. Calcium; magnesium
42. Chromium
43. Iron: total; ferrous and ferric
44. Lead; barium
45. Nickel
46. Silicon
47. Vanadium
48. Zinc
Section nine. Other determinations
49. Acidity, total
50. Boron
51. Chloride
52. Phosphate
53. Sodium; potassium
54. Sulphate
Section ten. Reporting
55. Presentation of results
56. Evaluation
Appendix
A. Reagents
Tables
1. Microscopic examination of deposits
2. Determination using atomic absorption
spectrophotometry
Figures
1. Scraper and measuring gauge for use with plate-type
airheaters and ducting
2. Scrapers for use with vertical tube airheaters
3. Outline of sample preparation
4. Outline of quantitative analysis
5. Apparatus for the determination of carbon
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