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Paragraph 4 APPARATUS

Original text. Later amendments are not shown.

4.1

Sample grinder capable of grinding the fertiliser to pass the specified sieve.

4.2

Mortar and pestle of suitable material and size.

4.3

Sieves having square apertures of 0.18 mm, 0.5 mm and 1.0 mm. Test sieves conforming to British Standard 410: 1986 are suitable.

4.4

Sample containers of non-corrodible materials, with air-tight closures.