Multilayer PVC Sewer Pipe (PSM Type) Having Reprocessed-Recycled Content
1. Scope
Note: Pipe made to this Standard should not be used in the production of fabricated fittings, due to the lack of field data.
1.1
This Standard describes requirements and test methods for materials, dimensions, quality of work, pipe stiffness, quality control, jointing systems, and marking for SDR 28, 35, and 41 multilayer PVC sewer pipe (PSM type).
Note: Industrial waste…
Uninterruptible power systems (UPS) - Part 3: Method of specifying the performance and test requirem...
Applies to electronic direct a.c. converter systems with electrical energy storage means in the d.c. link. Ensures continuity of an alternating power source. Also includes the method of specifying all power switches that form integral parts of a UPS and are associated with its output. Included are interrupters, bypass switches, isolating switches, load transfer switches and tie switches. does not…
Reaction to fire tests — Ignitability of building products subjected to direct impingement of flame ...
This Technical Report provides guidance on "ignitability" tests for building products. It describes the principles of ignitability and characterizes different ignition sources.
The results of small-scale ignitability tests may be used as a component of a total hazard analysis of a specified fire scenario. It is therefore important that the flame or radiative source chosen is fully…
Animal feeding stuffs — Determination of furazolidone content — Method using high-performance liquid...
This International Standard specifies a high-performance liquid chromatographic (HPLC) method for the
determination of the furazolidone content of premixtures and animal feeding stuffs.
The method is applicable to animal feeding stuffs with a furazolidone content of 25 mg/kg to 5 000 mg/kg and to
premixtures with a mass fraction of furazolidone of up to 20 % [formerly written as 20 % (m/m)].
NOTE…
Securities — Scheme for messages (Data Field Dictionary) — Part 1: Data field and message design rul...
This part of ISO 15022 consists of:- the description of the Enhanced ISO 7775 syntax and message design rules;- the contents and organization of the dictionary of Enhanced ISO 7775 and EDIFACT fields for securities messages; and- the contents and organization of the catalogue of securities messages built in the Enhanced ISO 7775 and EDIFACT syntaxes.
It refers to the EDIFACT syntax when…
Water quality — Guidelines for the determination of total organic carbon (TOC) and dissolved organic...
This International Standard gives guidance for the determination of total carbon (TC), total inorganic carbon (TIC) and
total organic carbon (TOC) in drinking water, ground water, surface water, sea water and waste water. It also defines
terms and specifies interferences, reagents, and sample pretreatment for water samples.
The method described in this International Standard applies to water…
Determination of power losses in high-voltage direct current (HVDC) converter stations
Applies to all line-commutated high-voltage direct current (HVDC) converter stations used for power exchange in utility systems. Presumes the use of 12-pulse thyristor converters but can also be used for 6-pulse thyristor converters. Presents procedures for determining the total losses of an HVDC converter station. Cover all parts, except synchronous compensators or static var compensators and…
