3.EQUIPMENTU.K.
3.1. Lists of equipment U.K.
The lists of equipment contain only those items with a specialized use and items to a particular specification.
3.2. Analytical balance U.K.
Analytical balance means a balance capable of weighing to at least 0,1 mg.
3.3. Test sieve U.K.
The test ieves to be used are to be fitted with a lid, to be of diameter 200 mm, to be constructed of wire cloth with a nominal aperture size of 500 urn. The aperture tolerances and wire diameters to be permitted are as given in ISO 3310/1. (Test sieves — Technical requirements and testing — Part 1: Metal wire cloth. ISO 3310/1 — 1975).
The sieves are to be fitted with a receiver.
3.4. Grinding device U.K.
For grinding the laboratory sample if necessary (see 1.2.4), without development of undue heat and without loss or absorption of moisture, a hammer mill shall not be used.