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Total records found: 238
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prEN ISO 23697-2 Archived
Comment end date 2025-10-28
Water quality - Determination of total bound nitrogen (ST-TNb) in water using small-scale sealed tubes - Part 2: Chromotropic acid colour reaction (ISO 23697-2:2023)

This document specifies a method for the determination of total bound nitrogen (ST-TNb) in water of various origins: groundwater, surface water and wastewater, in a measuring range of concentration generally between 0,5 mg/l and 150 mg/l of ST-TNb using the small-scale sealed tube method. Different measuring ranges of small-scale sealed tube methods can be required. The measuring ranges can vary depending on the type of small-scale sealed tube method of different manufacturers. It is up to the user to choose the small-scale sealed tube test with the appropriate application range or to adapt samples with concentrations exceeding the measuring range of a test by preliminary dilution. NOTE The results of a small-scale sealed tube test are most precise in the middle of the application range of the test. All small-scale sealed tube methods are based on a heated alkaline potassium persulfate oxidation in a heating block at 100 °C and different digestion times are applicable. Chromotropic colour reaction is applied, depending on the typical operating procedure of the small-scale sealed tube used, see Clause 9.

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prEN ISO/ASTM 52922 Public enquiry
Comment end date 2025-11-18
Additive manufacturing - Design - Directed energy deposition of metals (ISO/ASTM DIS 52922:2025)

This document specifies the features of Directed Energy Deposition (DED) and provides detailed design recommendations. This document also provides a state-of-the-art review of design guidelines associated with the use of DED by bringing together relevant knowledge about this process and by extending the scope of ISO/ASTM 52910.

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prEN 17542-5 Public enquiry
Comment end date 2025-12-07
Earthworks - Geotechnical laboratory tests - Part 5: Test method for measurement of one-dimensional swelling of soils under oedometric condition

This document describes the reference methods for the determination of swelling, swelling pressure, magnitude or potential of one-dimensional swelling of a soil when subjected, in the presence of water, to vertical stresses under oedometric conditions. It is used to assess the behaviour of earthwork platform that may be affected by the presence of swelling soils. These methods are used to determine three parameters related with the swelling of a soil: the swelling pressure, the swelling index and the constrained swelling pressure. These test methods specify the technique for specimen preparation, apparatus and procedure for quantifying the amount of height change associated with swelling and procedures for reporting test results. The procedures given in these test methods are applicable to undisturbed, remoulded, recompacted or reconstituted specimens.

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prEN ISO 25151 Public enquiry
Comment end date 2025-12-23
Footwear - Compression fatigue resistance of footwear and sole components (ISO/DIS 25151:2025)

This document specifies a procedure for compression fatigue testing of footwear of any intended use and sole components such as insoles, midsoles or sheet materials

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prEN ISO 19900 Public enquiry
Comment end date 2025-12-21
Oil and gas industries including lower carbon energy - General requirements for offshore structures (ISO/DIS 19900:2025)

This document specifies general provisions for the design and assessment of fixed (bottom-founded)  and floating (buoyant) offshore structures. This document contains general provisions for the design of new structures and site assessment of existing structures. This document is applicable for all phases of the life of the structure, including: ¾    pre-service (e.g., fabrication, transportation, installation), ¾    service in-place, both during originally specified design service life and during any life extensions, ¾    functional upgrade, repurpose and reuse, and ¾    decommissioning, and removal. This document focusses on primary and secondary load bearing structure but also provides some provisions for tertiary and ancillary structure. NOTE         ISO 24201[22] covers the design of stairs, gratings and handrails. This document was initially created for offshore oil & gas structures but is now also applicable to renewable energy offshore structures. This document does not apply to pipelines, risers or subsea systems.

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prEN ISO 6599-1 Archived
Comment end date 2025-11-07
Packaging - Conditioning for testing - Part 1: Paper sacks (ISO/DIS 6599-1:2025)

This document specifies the conditioning atmospheres and the method for conditioning samples of intact, empty paper sacks before and during testing. If only conventional paper tests are to be carried out on the material of a sack, samples of this material shall be cut out and conditioned as specified in ISO 187.

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prEN 13160-2 Public enquiry
Comment end date 2025-12-07
Leak detection systems - Part 2: Requirements and test/assessment methods for pressure and vacuum systems

This document gives requirements and the corresponding test/assessment methods applicable to leak detector based on the measurement of pressure change. Leak detectors are intended to be used with double skin, underground or above ground, pressurized or non-pressurized, tanks or pipe designed for water polluting liquids/fluids. The leak detectors are usually composed of: - measuring device; - evaluation device; - alarm device; - pressure generator; - pressure relief device; - liquid stop device; - condensate trap.

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prEN ISO 15936 Public enquiry
Comment end date 2025-12-09
Soil, waste, treated biowaste and sludge - Determination of total organic carbon (TOC) by dry combustion (ISO/DIS 15936:2025)

Specifies a method for the determination of the total carbon content in soil after dry combustion. The organic carbon content is calculated from this content after correcting for carbonates present in the sample. If carbonates are removed beforehand, the organic carbon content is measured directly. Applicable to all types of air-dried soil samples.

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prEN ISO 25325 Public enquiry
Comment end date 2025-12-23
Requirements for the training of citizen science divers (ISO/DIS 25325:2025)

This standard specifies the requirements for the training of citizen science divers. The standard shall have a broad scope so as to be applicable to all disciplines of science. This document is applicable to all recreational divers independent of any scientific background (unlike the ISO 8804 standard series which a primarily directed at the scientific diving community). A citizen science diver is competent in basic underwater scientific methodologies and protocols and shall be able to assist in scientific diving activities. This standard will specify competencies, prerequisites for training, Introductory information, Required theoretical knowledge, Required practical skills, Practical training parameters and Evaluation criteria for training systems aimed at training citizen science divers.

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prEN IEC 63522-0:2025 Public enquiry
Comment end date 2025-12-24
Electrical relays - Tests and measurements - Part 0: General and guidance
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prEN 12131 Archived
Comment end date 2025-11-06
Feather and down - Test methods - Determination of the quantitative composition of feather and down (manual method)

This document specifies a method for the determination of the composition of feather and/or down fit for or constituting filled manufactured articles in order to label and/or mark it or to verify the denominations reported on the label.

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prEN 18051 Public enquiry
Comment end date 2025-12-02
Automotive fuels - Determination of content of butoxy-benzene in middle distillates - Gas chromatographic method using a flame ionization detector (GC-FID)

This document specifies a test method for the determination of the content of n-butyl phenyl ether (BPE, CAS: 1126-79-0, also known as butoxy-benzene) in gas oils, kerosene, diesel fuel and biodiesel blends. The method uses a two-column gas chromatograph with an FID-type of detector. The application range is 0,27 mg/l to 19,75 mg/l of BPE, with the minimum and maximum reporting levels being 0,09 mg/l, respectively 21,89 mg/l . NOTE This corresponds to 1 % to 185 % of the average marking level of the ACCUTRACE™ Plus required by Commission Implementing Decision (EU) 2022/197 [1] of 17 January 2022 establishing a common fiscal marker for gas oils and kerosene. The method is found to be applicable to determinations beyond this range or for specific other chemical markers that fall within the distillation temperature range of middle-distillates, but for that no precision has been determined. WARNING — The use of this document can involve hazardous materials, operations and equipment. This document does not purport to address all of the safety problems associated with its use. It is the responsibility of the user of this document to establish appropriate safety and health practices and to determine the applicability of regulatory limitations prior to use.

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prEN ISO 26082-1 Public enquiry
Comment end date 2025-12-11
Leather - Physical and mechanical test methods for the determination of soiling - Part 1: Rubbing (Martindale) method (ISO/DIS 26082-1:2025)

This document specifies a method for determining the resistance of all forms of leather to visible soiling through repeated contact with soiled objects. It provides a physical pretreatment routine for leathers that may be vulnerable to loss of soiling resistance while in service, prior to conducting further tests such as cleaning.

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prEN 50463-2:2025 Public enquiry
Comment end date 2026-01-02
Railway applications - Energy measurement on board trains - Part 2: Energy measuring

EN 50463-2 covers the requirements applicable to the Energy Measurement Function (EMF) of an Energy Measurement System (EMS) for use on board traction units for measurement of energy supplied directly from/to the Contact Line system. EN 50463-2 also gives requirements for the Current Measurement Function (e.g. current sensor), the Voltage Measurement Function (e.g. voltage sensor) and the Energy Calculation Function (e.g. energy meter).

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EN 61010-1:2010/prA2:2025 Public enquiry
Comment end date 2025-11-12
Amendment 2 - Safety requirements for electrical equipment for measurement, control, and laboratory use - Part 1: General requirements
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prEN ISO 11607-3 Public enquiry
Comment end date 2025-11-11
Packaging for terminally sterilized medical devices - Part 3: Requirements for process development for forming, sealing and assembly (ISO/DIS 11607-3:2025)

This document specifies requirements for process development for forming, sealing and assembly of packaging for medical devices to be terminally sterilized, when utilizing heat sealing technologies. This document recommends minimum heat sealing equipment features to support subsequent validation, process control and monitoring. This document applies to both preformed sterile barrier systems and sterile barrier systems. This document utilizes the sterile barrier system specification to develop the process specification using the principles of risk management. This document is intended to be used prior to process validation. NOTE ISO 11607-2 provides requirements for process specification and process validation.

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prEN ISO 25353 Public enquiry
Comment end date 2025-12-02
Textiles - Qualitative analysis proteomic analysis of protein fibres from leather - Peptide detection using MALDI-TOF MS (ISO/DIS 25353:2025)

This document specifies a qualitative procedure to qualifying leather animal species of (fibrous) protein from leather by MALDI-TOF mass spectrometer (MS). The composition of other fibres can be measured by methods described in the ISO 1833 series. Both results are then combined to determine the whole composition of fibres (see Annex C as an example of mixtures of (fibrous) protein from leather and polyester). The method is based on a preliminary identification, by light microscopy, of all fibres in a blend on the basis of their morphology, according to ISO/TR 11827.

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prEN 13040-1 Public enquiry
Comment end date 2025-12-16
Soil improvers and growing media - Sample preparation - Part 1: Sample preparation for chemical and physical tests, determination of dry matter content, moisture content and laboratory bulk density

This document specifies a routine method for preparing a sample of organic soil improver, inorganic soil improver, growing medium, compost or digestate prior to chemical analysis and physical testing. The procedures described herein apply only to those samples that are supplied to a laboratory in the form in which they will be used for their intended purpose and to samples with a manufacturer’s guidance for reconstitution. NOTE 1 The determination of the laboratory bulk density is given in Annex A. NOTE 2 The results of an interlaboratory trial to determine moisture content are given in Annex B. NOTE 3 The results of an interlaboratory trial to determine laboratory bulk density are given in Annex B.

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prEN ISO 16103 Public enquiry
Comment end date 2025-12-23
Packaging - Transport packaging for dangerous goods - Conditions of use for recycled plastics material (ISO/DIS 16103:2025)

ISO 16103:2005 specifies the requirements and test methods for the production of recycled plastics materials to be used for packagings for the transport of dangerous goods. This includes guidance on the quality assurance programme.

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prEN ISO 14096-2 Archived
Comment end date 2025-10-30
Non-destructive testing - Qualification of radiographic film digitisation systems - Part 2: Minimum requirements (ISO/DIS 14096-2:2025)

This document specifies three film-digitisation quality classes for the requirements of non-destructive testing. The selected class depends on the radiation energy, the material thickness penetrated and the quality level of the original radiographic film. This document does not address signal processing, display and storage of the digitised data.

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prEN ISO 1456 Public enquiry
Comment end date 2025-11-13
Metallic and other inorganic coatings - Electrodeposited coatings of nickel, nickel plus chromium, copper plus nickel and of copper plus nickel plus chromium (ISO/DIS 1456:2025)

ISO 1456:2009 specifies requirements for decorative nickel, nickel plus chromium, copper plus nickel and copper plus nickel plus chromium coatings that are applied to iron, steel, zinc alloys, copper and copper alloys, and to aluminium and aluminium alloys, to provide an attractive appearance and enhanced corrosion resistance. Coating designations are specified that differ in thickness and type, and guidance is given on selecting the coating designation appropriate for the service conditions to which the coated product will be exposed. ISO 1456:2009 does not specify the surface condition required by the basis metal prior to the coating process, and is not applicable to coatings on sheet, strip or wire in the non-fabricated form nor to threaded fasteners or coil springs.

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prEN 14564 Public enquiry
Comment end date 2025-12-04
Tanks for transport of dangerous goods - Terminology

This document provides additional terms and definitions to those written in the Agreement Concerning the International Carriage of Dangerous Goods by Road (ADR) or the Regulations concerning the International Carriage of Dangerous Goods by Rail (RID), appearing as Appendix C to the Convention concerning International Carriage by Rail (COTIF). This document forms part of series of documents prepared by CEN/TC 296 regarding the transport of dangerous goods. The series supports the proper application of the ADR and RID. This document is applicable to tanks used for the transport of dangerous goods. This document does not apply to carriage in bulk of dangerous goods. For convenience, Annex A (informative) repeats some horizontal definitions taken from ADR and RID 2025 chapter 1.2, and Annex B (informative) repeats some definitions from ADR and RID 2025 chapter 6.7, specific to portable tanks. NOTE The ADR and RID are updated on a regular basis, therefore Annexes A and B might become out of date. For outdated definitions, the RID/ADR take precedence. Annexes C, D and E (informative) provide alphabetical trilingual indexes of terms in English, French and German where the key is English, French and German respectively. Annex F (normative) is a schematic diagram of tank openings and closures according to the tank code.

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prEN 18192 Public enquiry
Comment end date 2025-12-16
Masonry products - Environmental product declarations for masonry units - Product category rules complementary to EN 15804:2012+A2:2019

This document provides product category rules (PCR) guidance for the development of environmental declarations for masonry units according to EN 15804:2012+A2:2019. This document defines the parameters to be reported, the EPD types (and life cycle stages) to be covered, the rules to be followed in order to generate life cycle inventories (LCI) and conduct life cycle impact assessments (LCIA), and the data quality to be used in the development of EPDs. This document is also applicable to clay construction products manufactured with the same materials and using the same processes as clay masonry units, In addition to the common parts of EN 15804:2012+A2:2019, this document: — defines the system boundaries; — defines the modelling and assessment of material-specific characteristics; — defines allocation procedures for multi-output processes along the production chain; — defines allocation procedures for reuse and recycling; — includes the rules for calculating the LCI and the LCIA underlying the EPD; — provides guidance/specific rules for the determination of the reference service life (RSL); — gives guidance on the establishment of default scenarios; and — gives guidance on default functional units for masonry products. This document is intended to be used for cradle to gate, cradle to gate with options or cradle to grave assessments, when the intention is clearly stated in the system boundary description.

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prEN IEC/IEEE 62582-4:2025 Public enquiry
Comment end date 2025-12-17
Nuclear power plants - Instrumentation and control important to safety - Electrical equipment condition monitoring methods - Part 4: Oxidation induction techniques

See the scope of IEC/IEEE 62582-4:2022. Adoption is to be implemented without modification.

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prEN ISO 1891-2 Archived
Comment end date 2025-11-04
Fasteners - Vocabulary - Part 2: Coatings (ISO/DIS 1891-2:2025)

ISO 1891-2:2014 specifies terms and definitions for fastener coatings, primarily intended for corrosion protection and functional purposes. These terms are mainly intended for use in conjunction with ISO 4042, ISO 10683 and ISO 10684.

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Total records found: 238
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