Part I

1. 1General
2. 2Reagents
3. 3Water
4. 4Apparatus
5. 5Methods of Analysis
6. 1.PREPARATION OF THE SAMPLE FOR ANALYSIS
7. 2.DETERMINATION OF AMMONIACAL NITROGEN
8. 3a.DETERMINATION OF NITRIC AND AMMONIACAL NITROGEN-ULSCH METHOD
9. 3b.DETERMINATION OF NITRIC AND AMMONIACAL NITROGEN-ARND METHOD
10. 3c.DETERMINATION OF NITRIC AND AMMONIACAL NITROGEN-DEVARDA METHOD
11. 4a.DETERMINATION OF TOTAL NITROGEN IN CALCIUM CYANAMIDE — IN THE ABSENCE OF NITRATE
12. 4b.DETERMINATION OF TOTAL NITROGEN IN CALCIUM CYANAMIDE — IN THE PRESENCE OF NITRATE
13. 5.DETERMINATION OF TOTAL NITROGEN IN UREA
14. 6.DETERMINATION OF CYANAMIDE NITROGEN
15. 7.DETERMINATION OF BIURET IN UREA
16. 8a.DETERMINATION OF DIFFERENT FORMS OF NITROGEN IN THE SAME SAMPLE — IN THE PRESENCE OF CYANAMIDE NITROGEN
17. 8b.DETERMINATION OF DIFFERENT FORMS OF NITROGEN IN THE SAME SAMPLE — IN THE ABSENCE OF CYANAMIDE NITROGEN
18. 9a.EXTRACTION OF TOTAL PHOSPHORUS BY MINERAL ACIDS
19. 9b.EXTRACTION OF TOTAL PHOSPHORUS BY MINERAL ACIDS
20. 9c.EXTRACTION OF PHOSPHORUS BY 2% CITRIC ACID
21. 9d.EXTRACTION OF PHOSPHORUS BY NEUTRAL AMMONIUM CITRATE
22. 9e.EXTRACTION OF PHOSPHORUS BY ALKALINE AMMONIUM CITRATE (PETERMANN'S METHOD) AT 65°C
23. 9f.EXTRACTION OF PHOSPHORUS BY ALKALINE AMMONIUM CITRATE (PETERMANN'S METHOD) AT AMBIENT TEMPERATURE
24. 9g.EXTRACTION OF PHOSPHORUS BY ALKALINE AMMONIUM CITRATE (JOULIE'S METHOD)
25. 9h.EXTRACTION OF PHOSPHORUS BY WATER
26. 10.DETERMINATION OF EXTRACTED PHOSPHORUS
27. 11.DETERMINATION OF WATER-SOLUBLE POTASSIUM
28. 12.DETERMINATION OF CHLORIDES IN THE ABSENCE OF ORGANIC MATERIAL
29. 13a.DETERMINATION OF FINENESS OF GRINDING — DRY METHOD
30. 13b.DETERMINATION OF THE FINENESS OF GRINDING OF SOFT NATURAL PHOSPHATES
31. 14.METHODS OF ANALYSIS AND TEST PROCEDURES FOR AMMONIUM NITRATE FERTILISERS CONTAINING MORE THAN 28% NITROGEN BY WEIGHT
32. 14a.METHOD FOR THE APPLICATION OF THERMAL CYCLES
33. 14b.DETERMINATION OF THE OIL RETENTION VALUE
34. 14c.DETERMINATION OF COMBUSTIBLE INGREDIENTS
35. 14d.DETERMINATION OF THE pH VALUE
36. 14e.DETERMINATION OF THE PARTICLE SIZE
37. 14f.DETERMINATION OF THE CHLORINE CONTENT (AS CHLORIDE ION)
38. 14g.DETERMINATION OF COPPER
39. 15.EXTRACTION OF TOTAL CALCIUM, TOTAL MAGNESIUM, TOTAL SODIUM AND TOTAL SULFUR IN THE FORM OF SULFATES
40. 16.EXTRACTION OF TOTAL SULFUR
41. 17.EXTRACTION OF WATER-SOLUBLE CALCIUM, MAGNESIUM, SODIUM AND SULFUR (IN THE FORM OF SULFATES)
42. 18.EXTRACTION OF WATER-SOLUBLE SULFUR
43. 19.EXTRACTION AND DETERMINATION OF ELEMENTAL SULFUR
44. 20.MANGANIMETRIC DETERMINATION OF EXTRACTED CALCIUM FOLLOWING PRECIPITATION IN THE FORM OF OXALATE
45. 21.DETERMINATION OF MAGNESIUM BY ATOMIC ABSORPTION SPECTROMETRY
46. 22.DETERMINATION OF MAGNESIUM BY COMPLEXOMETRY
47. 23.DETERMINATION OF SULFATES
48. 24.DETERMINATION OF THE SODIUM EXTRACTED
49. 25.TRACE ELEMENTS AT A CONCENTRATION LESS THAN 10%
50. 25a.EXTRACTION OF TOTAL TRACE ELEMENTS
51. 25b.EXTRACTION OF WATER-SOLUBLE TRACE ELEMENTS
52. 25c.REMOVAL OF ORGANIC COMPOUNDS FROM FERTILISER EXTRACTS
53. 25d.DETERMINATION OF TRACE ELEMENTS IN FERTILISER EXTRACTS BY ATOMIC ABSORPTION SPECTROMETRY (GENERAL PROCEDURE)
54. 25e.DETERMINATION OF BORON IN FERTILISER EXTRACTS BY MEANS OF SPECTROMETRY WITH AZOMETHINE-H
55. 25f.DETERMINATION OF COBALT IN FERTILISER EXTRACTS BY ATOMIC ABSORPTION SPECTROMETRY
56. 25g.DETERMINATION OF COPPER IN FERTILISER EXTRACTS BY ATOMIC ABSORPTION SPECTROMETRY
57. 25h.DETERMINATION OF IRON IN FERTILISER EXTRACTS BY ATOMIC ABSORPTION SPECTROMETRY
58. 25i.DETERMINATION OF MANGANESE IN FERTILISER EXTRACTS BY ATOMIC ABSORPTION SPECTROMETRY
59. 25j.DETERMINATION OF MOLYBDENUM IN FERTILISER EXTRACTS BY SPECTROMETRY OF A COMPLEX WITH AMMONIUM THIOCYANATE
60. 25k.Determination of ZINC in Fertiliser Extracts by ATOMIC ABSORPTION SPECTROMETRY
61. 26.TRACE ELEMENTS AT A CONCENTRATION GREATER THAN 10%
62. 26a.Extraction of Total Trace Elements
63. 26b.Extraction of Water-Soluble Trace Elements
64. 26c.REMOVAL OF ORGANIC COMPOUNDS FROM FERTILISER EXTRACTS
65. 26d.Determination of Trace Elements in Fertiliser Extracts by Atomic Absorption Spectrometry (General Procedure)
66. 26e.Determination of BORON in Fertiliser ExtrACTS BY MEANS OF ACIDIMETRIC TITRATION
67. 26f.Determination of COBALT in Fertiliser Extracts by THE GRAVIMETRIC METHOD WITH 1-NITROSO-2-NAPHTHOL
68. 26g.Determination of COPPER in Fertiliser Extracts by THE TITRIMETRIC METHOD
69. 26h.Determination of IRON in Fertiliser Extracts by ATOMIC ABSORPTION Spectrometry
70. 26i.Determination of MANGANESE in Fertiliser Extracts by TITRATION
71. 26j.Determination of MOLYBDENUM in Fertiliser Extracts by THE GRAVIMETRIC METHOD WITH 8-HYDROXYQUINOLINE
72. 26k.Determination of ZINC in Fertiliser Extracts by ATOMIC ABSORPTION Spectrometry