Rechercher

Specifies methods of measurement for gaseous pollutants emitted by motorcycles as defined in ISO 3833, equipped with a 4-stroke, a 2-stroke or a rotary controlled ignition engine. Defines a driving cycle in accordance with the requirements of different types of motorcycles and provides specifications of the collecting methods for gaseous pollutants, a measuring system and a test bench.

Lays down the principle, apparatus and the procedure for the method mentioned above. The test method is based on the following principle: pulling, by means of a rope, a friction piece over the horizontal surface of the mat in the specified directions. The measured force is related to the resistance to slipping.

The method is applicable to cereals and cereal products as well as to certain products containing less the 1 % of crude fibre. It consists in boiling with a mixture of acetic acid, nitric acid and trichloroacetic acid (after any necessary grinding and defatting). Then separation and washing of the insoluble residue on a filter crucible. Drying and weighing of the insoluble residue, and…

Specifies the requirements, methods of rating and testing of single, two, three and four branch (or leg) welded chain slings. Does not apply to mechanically joined slings or welded slings having branches of unequal nominal reach.

The soap is dissolved in ethanol, filtrated and the undissolved residue is weighed. The constituents not dissolved correspond to the additives and foreign matter, of low solubility or insolubility in 95 % (V/V) ethanol, added to soaps and also to substances in all soap formulations, such as alkali carbonates and chlorides, borates, perborates, suphates, silicates, phosphates etc. It also may…