This standard sets forth the requirements for cement prepared specifically for
use in masonry mortars.* *Masonry cement is also sold under other names,
Mortar Cement, Mortar Mix (Unsanded), Masons Cement, Brick Cement, White Mortar
Cement, etc.
This standard sets forth the definition of blended hydraulic cement; its
chemical and physical requirements; the tests required; the procedures for
inspection and sampling; the units of measurement; the packaging, marking,
and storage; the methods for chemical analysis; the methods for physical
testing; and the equipment and materials used in performing the required
tests.
Medical electrical equipment - Part 1: General requirements for safety
This is the major revised and updated baseline of standards for the safety of all medical electrical equipment used by or under the supervision of qualified personnel in the general medical and patient environment. lt also contains certain requirements for reliable operation to ensure safety. Note the change of title from the first (1977) edition. (For particular requirements see series 601-2…
Electrical relays - Part 6: Measuring relays and protection equipment
This standard specifies the general performance requirements of all electrical measuring relays and protection equipment used in the electrotechnical fields covered by the IEC. Supersedes IEC 60255-6 (1978) and its first supplement 60255-6 A (1980).
Telecontrol equipment and systems. Part 1: General considerations. Section One: General principles
Specifies classes for environmental conditions under which telecontrol equipment has to operate. Gives an overall view of the functional elements contributing to basic structures and to the choice of telecontrol system configurations.
It deals with functions which are typical for any process to be monitored and controlled but emphasizes the specific problems which characterize geographically…
Animal and vegetable fats and oils — Determination of saponification value
The second edition cancels and replaces the first edition (ISO 3657:1977), of which it constitutes a technical revision. The method consists in boiling of a sample under reflux with ethanolic potassium hydroxide solution, followed by titration of the excess potassium hydroxide with standard volumetric hydrochloric acid solution.
Implants for surgery — Metal bone screws with conical under-surface of head — Dimensions
Bone screws for particular applications are not covered by this standard. The different forms are illustrated. The informative annex A shows the interrelationship of International Standards dealing with bone screws, bone plates and relevant tools.