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Cancels and replaces the first edition (1974) and amendment 1 (1994). Specifies a method for the determination of the density of natural rubber latex concentrate between the temperatures of 5 °C und 40 °C. Intended for use when density determinations are used to calculate the mass of a measured volume of latex in locations where it is not practical to weigh directly or to control the temperature…

Specifies assessment criteria in order to permit the selection and comparability of air filters and filter elements under laboratory conditions. Applies to air filters used in motor vehicles to remove dust particles from the external air or recirculated air for the passenger compartment. The tests provide information on pressure differences, the filtration rate and fractional filtration rate, as…

1. Scope 1.1 General This Standard specifies requirements for mortar for use in bedding, jointing and bonding of masonry units, or other structural units, and for grout for use in filling core or cavity space, or both, in unit masonry construction. Note: The term "unit masonry" refers to masonry construction using clay or shale masonry units, sand-lime masonry units, or…

Its use is mandatory for the calibration of secondary standard pyranometers according to ISO 9060, and is recommended for the calibration of pyranometers which are used as reference instruments in comparisons. Is intended for use by test institutions or test laboratories equipped with well-maintained pyrheliometers and is applicable to all pyranometers. The object is to promote the uniform…

1 PURPOSe This document defines the operating procedure system by the BNQ for the accreditation of laboratories and inspection organizations. Accreditation in specific testing and services sectors for which an application has been submitted is subject to conformity with the requirements detailed in this document, as well as to the requirements in document NQ 9902-520, and to any…

Specifies a test method that simulates a fire that under well ventilated conditions starts in a corner of a small room with a single open doorway. The method is intended to evaluate the contribution to fire growth provided by a surface product using a specified ignition source. It is especially suitable for products that for some reason cannot be tested in a small laboratory scale, e.g.…

1 Scope O437.0 1.1 This Standard pertains specifically to a class of mat-formed structural panelboards made predominantly of wood strands or wafers of a minimum and controlled length, a controlled thickness, and a variable or predetermined width, bonded together with a waterproof and boilproof binder. 1.2 These panelboards are intended, and used extensively, for construction applications…

1.1 This Standard applies to medical gas piping systems for conducting nonflammable medical gases used for patient care in health care facilities. Included in this Standard are requirements pertaining to small systems such as those serving dental suites, as well as systems providing nonflammable medical gases to laboratories. Notes: (1) The manufacture, control, and distribution of…

1.1 This Standard provides guidance for the safe use of medically applied laser systems, hereinafter referred to as medical lasers, for diagnostic, therapeutic, and medical research purposes in health care facilities. It is intended for use by all persons associated with the administration, installation, operation, maintenance, and service of medical lasers. 1.2 This Standard presents…

Specifies a method of determining the compressive and flexural strengths of cement mortar and describes the reference procedure. Allows the use of alternative procedures only in well defined cases. Covers laboratory and equipment, mortar constituents, preparation of mortar and test specimens, curing of test specimens, and test procedures.