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Total records found: 261
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prEN 15475 Public enquiry
Comment end date 2026-03-24
Inorganic fertilizers - Titrimetric determination of ammoniacal nitrogen

This document specifies a method for the titrimetric determination of the ammoniacal nitrogen content in inorganic fertilizers (including compound fertilizers), in which nitrogen is found exclusively either in the form of ammonium salts or ammonium salts together with nitrates. This document is applicable to the fertilizing products blends where a blend is a mix of at least two of the following components: fertilizers, liming materials, soil improvers, growing media, inhibitors, plant biostimulants and where the following category: inorganic fertilizers is the highest % in the blend by mass or volume, or in the case of liquid form by dry mass. If inorganic fertilizers are not the highest % in the blend, the European Standard for the highest % of the blend applies. In case a fertilizing product blend is composed of components in equal quantity, the user decides which standard to apply. Variations in analytical methods for fertilizing product blends can lead to differing results as some components or matrix interactions can affect the outcome. Validation procedures have shown that developed standard methods are robust and reliable across diverse product compositions, but possible interferences and unexpected results when analysing fertilizing product blends are possible. In the case of application to ammonium nitrate fertilizers of high nitrogen content, this document is not applicable to fertilizer product blends. This document is not applicable to fertilizers or fertilizer product blends containing urea, cyanamide, nutrient polymers or other organic nitrogenous compounds.

prEN IEC 60793-1-50:2026 Public enquiry
Comment end date 2026-04-10
Optical fibres - Part 1-50: Measurement methods and test procedures - Damp heat (steady state) tests
prEN IEC 63595-1:2026 Public enquiry
Comment end date 2026-04-15
Industrial networks - 5G Communication Technology - Part 1: Terms, definitions and fundamentals
prEN ISO 17879 Public enquiry
Comment end date 2026-03-19
Gas cylinders - Self-closing cylinders valves - Specification and type testing (ISO/DIS 17879:2026)

ISO 17879:2017 specifies the design, type testing, marking and manufacturing tests and examinations requirements for self-closing cylinder valves intended to be fitted to refillable transportable gas cylinders which convey compressed, liquefied or dissolved gases. NOTE 1 The main applications for such self-closing cylinder valves are in the calibration gas and beverage industries. ISO 17879:2017 covers the function of a self-closing cylinder valve as a closure. NOTE 2 Requirements for standard cylinder valves are given in ISO 10297. Requirements for quick-release cylinder valves are given in ISO 17871. ISO 17879:2017 is not applicable to self-closing cylinder valves for cryogenic equipment, for portable fire extinguishers, or for liquefied petroleum gas (LPG). NOTE 3 Requirements for valves for cryogenic vessels are specified in ISO 21011 and at a regional level, for example, in EN 1626. Requirements for valves for portable fire extinguishers at a regional level are specified, for example, in EN 3 series. Requirements for self-closing LPG cylinder valves are specified in ISO 14245. NOTE 4 Additional requirements for pressure-relief devices might be specified in international/regional regulations/standards.

prEN ISO 16383-2 Public enquiry
Comment end date 2026-03-25
Geotechnical investigation and testing - Laboratory testing of rock - Part 2: Determination of density and open porosity (ISO/DIS 16383-2:2026)

This document will specify methods for the determination of the bulk density of rock. This document is applicable to the laboratory determination of the bulk density of rock samples

ISO/IEC DIS 28033-2 Public enquiry
Comment end date 2026-04-12
Information security — Fully homomorphic encryption — Part 2: Mechanisms for exact arithmetic on modular integers
prEN ISO 13585 Public enquiry
Comment end date 2026-04-16
Brazing - Qualification testing of brazers and brazing operators (ISO/DIS 13585:2026)

This document specifies requirements for qualification testing of brazers and brazing operators for metallic materials. This document gives general provisions on quality requirements for brazing (see Annex A). This document applies to the following brazing processes according to ISO 857-2 and ISO 4063:2009 with local and global heating: —    911 Infrared brazing; —    912 Flame brazing, torch brazing; —    913 Laser beam brazing; —    914 Electron beam brazing; —    916 Induction brazing; —    918 Resistance brazing; —    919 Diffusion brazing; —    921 Furnace brazing; —    922 Vacuum brazing; —    923 Dip-bath brazing; —    924 Salt-bath brazing; —    925 Flux bath brazing; —    926 Immersion brazing; —    972 Arc weld brazing. This document is not applicable to personnel operating brazing equipment who do not have any direct influence on the quality of the brazed joint, for example, personnel performing exclusively loading/unloading the brazing unit or just initiating the brazing cycle in automatic brazing. The principles of this document can be applied to other brazing processes and brazing of materials not listed. This document does not apply to brazing for aerospace applications covered by ISO 11745.

prEN 13477-1 Public enquiry
Comment end date 2026-03-19
Non-destructive testing - Acoustic emission testing - Equipment characterization - Part 1: Equipment description

This document describes the main components that constitute an acoustic emission testing system on the basis of the utilization of piezoelectric sensors. Each component is assigned to one of the following list items: a) piezoelectric sensor; b) signal conditioning; c) signal acquisition; d) analysis and output of results.

prEN ISO 11238 Public enquiry
Comment end date 2026-03-26
Health informatics - Identification of medicinal products - Data elements and structures for the unique identification and exchange of regulated information on substances (ISO/DIS 11238:2026)

This document provides an information model to define and identify substances within medicinal products or substances used for medicinal purposes, including dietary supplements, foods and cosmetics. The information model can be used in the human and veterinary domain since the principles are transferrable. Other standards and external terminological resources are referenced that are applicable to this document.

prEN IEC 63409-5:2026 Public enquiry
Comment end date 2026-04-01
Photovoltaic power generating systems connection with the grid - Testing for power conversion equipment - Part 5: Electromagnetic compatibility for low frequency conducted disturbances
prEN ISO 3826-2 Public enquiry
Comment end date 2026-04-16
Plastics collapsible containers for human blood and blood components - Part 2: Graphical symbols for use on labels and instruction leaflets (ISO/DIS 3826‑2:2026)

This document addresses symbols that may be used to convey certain items of information related to medical devices dedicated to blood collection processes and storage. The information may be required on the device itself, as part of the label, or provided with the device. Many countries require that their own language be used to display textual information with medical devices. This raises problems to device manufacturers and users. The symbols specified in this document do not replace current national regulatory requirements. Manufacturers seek to take costs out of labelling by reducing or rationalizing variants. This results in a major problem of translation, design and logistics when multiple languages are included on a single label or piece of documentation.  As other medical devices, blood medical devices, labelled in a number of different languages, can experience confusion and delay in locating the appropriate language. This document proposes solutions to these problems through the use of internationally recognized symbols with precisely defined meanings. This document is primarily intended to be used by manufacturers of medical devices dedicated to the blood collection, process storage and distribution, who market identical products in countries having different language requirements for medical device labelling. This document may also be of assistance to different stages of the blood supply chain, e.g.: distributors of blood collection devices (manual or automated) or other representatives of manufacturers; blood centres and distribution centres to simplify and secure the operating procedures. The use of these symbols is primarily intended for the medical device rather than the therapeutic product. This document does not specify requirements relating to the size and colour of symbols although the symbols specified have been specially designed so as to be clearly legible when reproduced in the space typically available on the labels of blood treatment and transfusion devices, and also so as to be suitable for on-line printing. Several of the symbols specified in this document may be suitable for application in other areas of medical technology.

prEN IEC/IEEE 62395-1:2026 Public enquiry
Comment end date 2026-03-20
Electrical resistance trace heating systems for industrial and commercial applications - Part 1: General and testing requirements

IEC/IEEE 62395-1:2024 specifies requirements for electrical resistance trace heating systems and includes general test requirements. This first edition cancels and replaces the second edition published in 2013. This edition constitutes a technical revision. This edition includes the following significant technical changes, apart from general revisions of IEC 62395-1 and harmonization with IEEE 515 [1] and IEEE 515.1 [2], with respect to the previous edition: a) Added control and monitoring requirements for fire sprinkler systems and safety showers. b) Provided a supplemental ice bath method for verification of rated output. c) Provided constructional and type test requirements for glands used to terminate heating devices to an exposed enclosure.

prEN 50209:2026 Public enquiry
Comment end date 2026-03-27
Test of insulation of bars and coils of high-voltage machines

This document applies to rotating electrical machines with rated voltages (UN) from 5 kV to 27 kV inclusive and with rated output from 5 MVA upwards for generators and from 5 MW upwards for motors. This document is also applicable to machines with rated outputs between 1 MVA (1 MW) and 5 MVA (5 MW) and with rated voltages of 5 kV and above, provided its use has been agreed beforehand. Requirements for machines with a rated voltage above 27 kV are the subject of individual agreement. In the case of machines whose windings are cured in the stator, tests on the separate winding elements are not possible; for these machines the requirements in Clause 6 apply. Converter fed machines are excluded from the scope of this standard. The described tests can be used for this type of machines however the criteria are mutually agreed upon between user and manufacturer.

prEN 14056-5 Public enquiry
Comment end date 2026-04-07
Laboratory furniture - Recommendations for design and installation - Part 5: Services distribution carriers

This document is applicable to biology, chemistry and physics laboratories where research, preparative, analytical, process activities take place and which can involve work with hazardous substances, including higher education (college and university teaching and post-graduate research). This document does not cover the requirements of schools, i.e. precollege/pre-university (refer to EN 13150), or highly specialist laboratories which need very specific, bespoke solutions to enable them to function. This document specifies requirements for various types of services distribution carriers typically used in combination with laboratory bench types as covered in the EN 14056 series. This document gives guidelines for all parties involved in the planning, design, manufacture, installation, testing of a new laboratory or in the refurbishment of an existing laboratory.

prEN IEC 63544:2025 Archived
Comment end date 2026-02-18
Horticultural lighting - Luminaires incorporating LED sources for horticultural lighting - Performance
prEN IEC 61189-3-720:2025 Public enquiry
Comment end date 2026-02-25
Test methods for electrical materials, printed boards and other interconnection structures and assemblies - Part 3-720: Test methods for interconnection structures (circuit boards) - Transmission loss test method for high frequency multilayer circuit boards
prEN 717-1 Archived
Comment end date 2026-02-17
Wood-based panels - Determination of formaldehyde release - Part 1: Formaldehyde emission by the chamber method

This document specifies a chamber method with three options of test chambers for the determination of the formaldehyde emission from wood-based panels in terms of the steady-state concentration in a climate chamber under defined conditions, which relate to typical conditions in real-life. This chamber method can also be applied to the estimation of formaldehyde concentrations under various conditions in practice, by the use of mathematical models. This document can also be used for the testing of formaldehyde emissions of products other than wood-based panels.

prEN IEC 61000-4-29:2026 Public enquiry
Comment end date 2026-04-01
Electromagnetic compatibility (EMC) - Part 4-29: Testing and measurement techniques - Voltage dips, short interruptions and voltage variations on d.c. input power port immunity tests
prEN ISO 14918 New
Comment end date 2026-02-19
Thermal spraying - Qualification testing of thermal sprayers (ISO/DIS 14918:2025)

ISO 14918:2018 specifies procedural instructions for qualification testing of thermal sprayers. It defines requirements, ranges of qualification, test conditions, acceptance requirements and certification for qualification testing of thermal spray performance. ISO 14918:2018 is applicable when the thermal sprayer's qualification is required by this document, the purchaser, by inspection authorities or by other organizations. The thermal spraying processes referred to in this document include those spraying processes which are designated as manual or mechanized. The test for mechanised application includes the use of automatically controlled thermal spraying, e.g. robotics, scan units.

PrLST 1954 Public enquiry
Comment end date 2026-03-12
Maize (corn). Requirements for purchase and supply

Šiame Lietuvos standarte pateikiami superkamų ir tiekiamų kukurūzų (Zea mays L.) grūdų (toliau – kukurūzai) supirkimo ir tiekimo reikalavimai.

EN IEC 62788-2-1:2023/prA1:2025 Public enquiry
Comment end date 2026-02-25
Amendment 1 - Measurement procedures for materials used in photovoltaic modules - Part 2-1: Polymeric materials - Frontsheet and backsheet - Safety requirements
EN 13480-5:2024/prA1 Archived
Comment end date 2026-02-15
Metallic industrial piping - Part 5: Inspection and testing

This Part of this European Standard specifies the requirements for inspection and testing of industrial piping as defined in EN 13480-1:2017 to be performed on individual spools or piping systems, including supports, designed in accordance with EN 13480-3:2017 and EN 13480-6:2017 (if applicable), and fabricated and installed in accordance with EN 13480-4:2017.

prEN ISO 8589 Public enquiry
Comment end date 2026-02-24
Sensory analysis - General guidance for the design of test rooms (ISO/DIS 8589:2025)

ISO 8589 provides general guidance for the design of test rooms intended for the sensory analysis of products. It describes the requirements to set up a test room comprising a testing area, a preparation area, and an office, specifying those that are essential or those that are merely desirable. ISO 8589 is not specific for any product or test type. Although many of the general principles are similar, ISO 8589 does not address test facilities for the specialized examination of products in inspection or in-plant quality-control applications.

ISO/IEC DIS 27091 Archived
Comment end date 2026-02-09
Cybersecurity and Privacy — Artificial Intelligence — Privacy protection
PrLST ISO/DIS 37304 Public enquiry
Comment end date 2026-02-22
Compliance management systems — Requirements for bodies providing audit and certification of compliance management systems
Total records found: 261
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