Optics and optical instruments. Microscopes. Testing of stereomicroscopes1 Scope This International Standard specifies test conditions and recommended test methods to ensure the minimum requirements for stereomicroscopes. These minimum requirements are given in ISO 10936 1, ISO 11884 1 and ISO 11884 2. The test methods specified in this International Standard are recommended, but use of other test methods is permitted if the same results are obtained.

with a facing to retain fill placed between the reinforcing layers

primarily for use as trailing cables for large machines at quarries: type 730

The series comprises ISO 235001 (previously ISO 23500)

3) Conditions of the wheel rail interface

using cold-vapour atomic absorption spectrometry or cold-vapour atomic fluorescence spectrometry

Expression of crude protein content results

Ultrasonic testing

free-field sensitivity

It has thus been necessary to develop rules for the preparation

the measurement is either of

privileges associated with a particular employment category – including access to highly secure areas such as ports

BS EN 15342 is intended to support parties involved in the use of recycled PS to agree on specifications for specific and general applications