Regulation 5 Application of the methods of analysis
The methods by which analysis of fertilisers shall be made for the purposes of the Act shall be those set out in Schedule 2 in accordance with the following provisions of this regulation.
Analytical constituents of materials listed in Groups 1(a), 2(a) and 3(a) of Section A, Groups 1 to 4 of Section B, Groups 1(a), 1(b) and 2 of Section C, Section D and Section E, of the table in Schedule 1 to the Fertilisers Regulations (Northern Ireland) 1992f1 shall be determined by the appropriate methods of analysis prescribed in Part I of Schedule 2.
Subject to paragraph (4), analytical constituents of any materials other than those referred to in paragraph (2) shall be determined by the appropriate methods of analysis prescribed in Part II of Schedule 2, save that the following analytical constituents shall be determined by the appropriate methods prescribed in Part I of Schedule 2:
the amount of total phosphorus soluble in mineral acids;
the amount of phosphorus soluble in 2% formic acid;
the amount of phosphorus soluble in 2% citric acid;
the amount of phosphorus in any fertiliser extract; and
the amount of any trace element in any fertiliser extract.
In the case of “Basic slag medium concentration” and “Granular basic slag” in Group 2(b) of Section A of the table in Schedule 1 to the Fertilisers Regulations (Northern Ireland) 1992, fineness shall be determined by the appropriate method prescribed in Part I of Schedule 2.