Energy performance of lamp controlgear - Part 3: Controlgear for tungsten-halogen lamps and LED ligh...
IEC 62442-3:2022 is available as IEC 62442-3:2022 RLV which contains the International Standard and its Redline version, showing all changes of the technical content compared to the previous edition.IEC 62442-3:2022 defines measurement and calculation methods for specifying the efficiency and the standby power of controlgear for tungsten-halogen lamps and LED light sources. This third edition…
Energy performance of lamp controlgear - Part 1: Controlgear for fluorescent lamps - Method of measu...
IEC 62442-1:2022 is available as IEC 62442-1:2022 RLV which contains the International Standard and its Redline version, showing all changes of the technical content compared to the previous edition.
IEC 62442-1:2022 defines a measurement and calculation method of the total input power for controlgear-lamp circuits when operating with their associated fluorescent lamp(s). The calculation…
Energy performance of lamp controlgear - Part 2: Controlgear for discharge lamps (excluding low-pres...
IEC 62442-2:2022 is available as IEC 62442-2:2022 RLV which contains the International Standard and its Redline version, showing all changes of the technical content compared to the previous edition.
IEC 62442-2:2022 defines a measurement method of the power losses of electromagnetic controlgear, the total input power and the standby power of electronic controlgear for discharge lamps (…
Coaxial communication cables - Part 1-200: Environmental test methods - General requirements
IEC 61196-1-200:2022 is available as IEC 61196-1-200:2022 RLV which contains the International Standard and its Redline version, showing all changes of the technical content compared to the previous edition.
IEC 61196-1-200:2022 gives the general requirements and conditions for environmental tests to be performed on coaxial communication cables and applies to the IEC 61196-1-2xx series, which…
Portable containers for gasoline and other petroleum fuels
1 Scope
1.1 Inclusions
This Standard sets forth a set of minimum performance requirements for PFCs up to and including 32 L (8.45 US gallons) rated capacity, made from steel or plastic, and intended for re-use by consumers for the transportation and temporary outdoor storage of petroleum-based flammable and combustible liquids. It includes dual compartment PFCs for separate gas and oil storage…
Coaxial communication cables - Part 1-100: Electrical test methods - General requirements
IEC 61196-1-100:2022 is available as IEC 61196-1-100:2022 RLV which contains the International Standard and its Redline version, showing all changes of the technical content compared to the previous edition.
IEC 61196-1-100:2022 gives the general requirements and conditions for electrical tests to be performed on coaxial communication cables and applies to IEC 61196-1-1xx (all parts), which…
Explosive atmospheres - Part 31: Equipment dust ignition protection by enclosure "t"
IEC 60079-31:2022 RLV contains both the official IEC International Standard and its Redline version. The Redline version is available in English only and provides you with a quick and easy way to compare all the changes between the official IEC Standard and its previous edition.
IEC 60079-31:2022 is applicable to equipment protected by enclosure and surface temperature limitation for use in…
Lignin — Quantification of hydroxyl groups by 31P NMR This document is provided to SCC for non-comme...
1 Scope
1.1 General
This Standard describes a method for the quantification of the aliphatic (R–OH), carboxylic acid (R–COOH), and phenolic (Ph–OH) hydroxyl groups present in lignin. Phenolic hydroxyl groups include
a)
syringyl (S), guaiacyl (G), and p-hydroxyphenyl (H) units; and
b)
condensed phenolics incorporating ß-5, 4-O-5’, and 5-5’ inter-unit linkages.
1.2 Methodology
The procedure…
Methods of testing petroleum and associated products Standard test method for the identification of ...
This test method is a standard procedure for the determination of paraffins, olefins, naphthenes, aromatics
and unknowns (P.O.N.A.U.) in automotive gasolines using gas chromatography and flame ionization detection
(GC/FID). Individual hydrocarbon components greater than or equal to 0.01 % by mass are determined. Group types
greater than or equal to 0.01 % by mass are determined by summing…
Jewellery and precious metals — Sampling of precious metals and precious metal alloys
This document specifies a method of sampling precious metals and precious metal alloys for the determination of their precious metal content and for the assessment of their homogeneity. The document is applicable to raw materials, semi-finished products and finished products and is intended to be used only for the sampling of entirely metallic materials.
NOTE 1 Standards for determination of…
