Rechercher

Includes a measuring method consisting in the measurement of the external diameter by a measuring device the scale of which is graduated in millimeters.

Gives a method for measurement by means of a specified dial gauge which is graduated in divisions of not more than 0,01 mm.

Includes methods for determining the resistance to deterioration. Conditioning of the test pieces at an elevated temperature for a specified time. Examination of the test pieces followed by measuring of the tensile strength and elongation at break in accordance with ISO 8009-5.

Specifies a measuring method. This method is not applicable to diaphragms with springs designed to form an arc when compressed. Compression of the article across its diameter with a mass of 280 g using a suitable apparatus. Determination of the change in diameter after 15 s.

Specifies a measuring method. This method is not applicable to diaphragms with springs designed to form an arc when compressed. Compression of the rim of the article across its diameter using a suitable apparatus. Determination of the deviation of the rim from the horizontal plane.

Gives requirements. Each article shall be individually packaged in a container designed to protect it from contamination and mechanical damage during normal handlung, transport and storage. Articles and containers shall be legibly marked with some important information.

Lays down recommendations on storage conditions to be considered by manufacturers and distributors.

The principle of determination consists in dissolving the dried whey in warm water, precipitating the fat and proteins, filtering and reducing the nitrate in a portion of the filtrate to nitrite by means of copperized cadmium. The sampling shall be made as specified in ISO 707. A figure shows the apparatus for nitrate reduction.