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Viso rasta įrašų: 170

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prEN 18253 Viešoji apklausa

Komentavimo iki data 2025-12-16

Dirvožemio gerinimo medžiagos ir auginimo terpės. Visuminio organinės anglies kiekio nustatymas sausai deginant

This document specifies a method for the determination of total organic carbon (TOC) in soil improvers and growing media containing more than 1 g carbon per kg of dry matter (0,1 %). NOTE Samples with a low dry matter content can have an influence on the achievable limit of quantification as defined in the scope (i.e. 1 g carbon per kg of dry matter).

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prEN 18256 Viešoji apklausa

Komentavimo iki data 2025-12-16

Degazuotasis substratas. Likutinio biodujų potencialo nustatymas

This document specifies a method for the determination of the residual biogas potential in digestate in an anaerobic environment.

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prEN 13040-1 Viešoji apklausa

Komentavimo iki data 2025-12-16

Dirvožemio gerinimo medžiagos ir auginimo terpės. Mėginių paruošimas. 1 dalis. Mėginių paruošimas cheminiams ir fizikiniams tyrimams, sausųjų medžiagų kiekio, drėgnio ir laboratorijoje tankinamos medžiagos piltinio tankio nustatymas

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 17228 Viešoji apklausa

Komentavimo iki data 2025-12-11

Oda. Bandymai spalvos atsparumui nustatyti. Spalvos kitimas taikant pagreitintą sendinimą (ISO/DIS 17228:2025)

ISO 17228:2015 specifies various ageing procedures to obtain an indication of the changes that could occur when leather is exposed to a certain environment for a prolonged time. Over time, the surface colour of leather and the leather itself change due to ageing and to the action of the surroundings on the leather. The test conditions to be used depend on the type of leather and its intended use. This procedure can also be used to age specimens for the test of dimensional change according to ISO 17130.

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prEN ISO 11177 Viešoji apklausa

Komentavimo iki data 2025-12-11

Stiklo ir porceliano emaliai. Iš vidaus ir iš išorės emaliuotos sklendės ir slėginių vamzdžių jungiamosios detalės, skirtos neapdorotam ir geriamajam vandeniui tiekti. Kokybės reikalavimai ir bandymai (ISO/DIS 11177:2025)

This document specifies the requirements for product quality and product testing of enamelled valves and pressure pipe fittings for untreated and potable water supply. It does not apply to chemical service glass-enamel and apparatus enamel.

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prEN ISO 4531 Viešoji apklausa

Komentavimo iki data 2025-12-11

Stiklo ir porceliano emaliai. Išsiskyrimas iš emaliuotų gaminių, susiliečiančių su maisto produktais. Tyrimo metodai ir ribinės vertės (ISO/DIS 4531:2025)

This document specifies a simulating method of test for determination of the release of metal-ions from enamelled articles, which are intended to come into contact with food. This document also specifies limits for the release of metal-ions from enamelled articles, which are intended to come into contact with food. This document is applicable to enamelled articles, including tanks and vessels, which are intended to be used for the preparation, cooking, serving and storage of food.

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prEN ISO 11124-1 Viešoji apklausa

Komentavimo iki data 2025-12-11

Plieninio pagrindo paruošimas prieš padengiant dažais ir su jais susijusiais produktais. Srautinio valymo metalinių abrazyvų techniniai reikalavimai. 1 dalis. Bendrasis įvadas ir klasifikavimas (ISO/DIS 11124-1:2025)

This document describes a classification of metallic blast-cleaning abrasives for the preparation of steel substrates before application of paints and related products. It specifies the characteristics which are required for the complete designation of such abrasives. This document applies to abrasives supplied in the "new" or unused condition only. It does not apply to abrasives either during or after use. NOTE Although this document has been developed specifically to meet requirements for preparation of steelwork, the properties specified will generally be appropriate for use when preparing other material surfaces, or components, using blast-cleaning techniques. These techniques are described in ISO 8504‑2.

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prEN 46-2 Viešoji apklausa

Komentavimo iki data 2025-12-11

Medienos konservantai. Profilaktinio poveikio ką tik išsiritusioms Hylotrupes bajulus (Linnaeus) lervoms nustatymas. 2 dalis. Ovicidinis efektas (laboratorinis metodas)

This document specifies a method for the determination of the preventive action of a wood preservative against eggs of Hylotrupes bajulus (Linnaeus) when the preservative is applied as a surface treatment to wood. This method is applicable to: - water-insoluble chemicals which are being studied as active insecticides; - organic formulations, as supplied or as prepared in the laboratory by dilution of concentrates; - organic water-dispersible formulations as supplied or as prepared in the laboratory by dilution of concentrates; or - water-soluble materials, for example salts. The method is applicable whether or not the test specimens have been subjected to appropriate ageing procedures.

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prEN 47 Viešoji apklausa

Komentavimo iki data 2025-12-11

Medienos konservantai. Toksiškumo Hylotrupes bajulus (Linnaeus) lervoms verčių nustatymas (laboratorinis metodas)

This document specifies a method for the determination of the toxic values of a wood preservative against the larvae of Hylotrupes bajulus (Linnaeus), introduced into wood treated previously by full impregnation. This method is applicable to: - water-insoluble chemicals which are being studied as active insecticides; - organic formulations, as supplied or as prepared in the laboratory by dilution of concentrates; - organic water-dispersible formulations as supplied or as prepared in the laboratory by dilution of concentrates; - water-soluble materials, for example salts. The method is applicable whether or not the test specimens have been subjected to appropriate ageing procedures.

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prEN 46-1 Viešoji apklausa

Komentavimo iki data 2025-12-11

Medienos konservantai. Profilaktinio poveikio ką tik išsiritusioms Hylotrupes bajulus (Linnaeus) lervoms nustatymas. 1 dalis. Naudojimas apdorojant paviršių (laboratorinis metodas)

This document specifies a method for the determination of the preventive action of a wood preservative against recently hatched larvae of Hylotrupes bajulus (Linnaeus) when the preservative is applied as a surface treatment to wood. This method is applicable to: - water-insoluble chemicals which are being studied as active insecticides; - organic formulations, as supplied or as prepared in the laboratory by dilution of concentrates; - organic water-dispersible formulations as supplied or as prepared in the laboratory by dilution of concentrates; - water-soluble materials, for example salts. The method is applicable whether or not the test specimens have been subjected to appropriate ageing procedures.

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prEN 49-2 Viešoji apklausa

Komentavimo iki data 2025-12-11

Medienos konservantai. Apsaugos nuo Anobium punctatum (De Geer) efektyvumo nustatymas pagal kiaušinėlių dėjimą ir lervų išlikimą. 2 dalis. Įmirkymas (laboratorinis metodas)

This document specifies a method for the determination of the protective effectiveness or the toxic values of a wood preservative against Anobium punctatum (De Geer) by egg-laying and larval survival in wood which has been treated previously by full impregnation. This method is applicable to: - water-insoluble chemicals which are being studied as active insecticides; - organic formulations, as supplied or as prepared in the laboratory by dilution of concentrates; - organic water-dispersible formulations as supplied or as prepared in the laboratory by dilution of concentrates; - water-soluble materials, for example salts. The method is applicable whether or not the test specimens have been subjected to appropriate ageing procedures.

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prEN ISO 26082-1 Viešoji apklausa

Komentavimo iki data 2025-12-11

Oda. Fizikinio ir mechaninio bandymo metodai teplumui nustatyti. 1 dalis. Trynimo (Martindale'o) metodas (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 13670 Viešoji apklausa

Komentavimo iki data 2025-12-11

Betoninių konstrukcijų darbų atlikimas

(1) This document gives common requirements for execution of concrete structures, it applies to both in situ construction works and use of prefabricated concrete elements. (2) This document expects the execution specification to state all the specific requirements relevant to the particular structure. (3) This document is applicable to permanent as well as temporary concrete structures. (4) This document does not apply to concrete members used only as equipment or construction aids for the execution. (5) This document does not cover the specification, production and conformity of concrete. (6) This document is not applicable to the production of precast concrete elements made in accordance with product standards. (7) This document does not cover safety and health aspects of execution, or third-party safety requirements. (8) This document does not cover contractual issues or responsibilities for the identified actions.

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prEN ISO 12312-2 Viešoji apklausa

Komentavimo iki data 2025-12-11

Akių ir veido apsauga. Saulės ir kitokie akiniai. 2 dalis. Filtrai, skirti tiesioginiam Saulės stebėjimui (ISO/DIS 12312-2:2025)

ISO 12312-2:2015 applies to all afocal (plano power) products intended for direct observation of the sun, such as solar eclipse viewing. ISO 12312-2:2015 does not apply to the following: a) afocal (plano power) sunglasses and clip-ons for general use intended for protection against solar radiation; b) eyewear for protection against radiation from artificial light sources, such as those used in solaria; c) eye protectors specifically intended for sports (e.g. ski goggles or other types); d) sunglasses that have been medically prescribed for attenuating solar radiation; e) prescription sunglass lenses.

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prEN ISO 4885 Viešoji apklausa

Komentavimo iki data 2025-12-11

Juodieji metalai. Terminis apdorojimas. Aiškinamasis žodynas (ISO/DIS 4885:2025)

ISO 4885:2018 defines important terms used in the heat treatment of ferrous materials. NOTE The term ferrous materials include products and workpieces of steel and cast iron. Annex A provides an alphabetical list of terms defined in this document, as well as their equivalents in French, German, Chinese and Japanese. Table 1 shows the various iron-carbon (Fe-C) phases.

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prEN 16265 Viešoji apklausa

Komentavimo iki data 2025-12-11

Pirotechniniai gaminiai. Kitokie pirotechniniai gaminiai. Uždegimo įtaisai

This document defines the terms and specifies the requirements, means of categorization, test methods, minimum labelling requirements and instructions for use of the article, for ignition devices (except ignition devices for pyrotechnic articles for vehicles) of the following generic types: — igniters; — components for pyrotechnic trains; — pyrotechnic cords and fuses; — delay fuses; — fuzes. NOTE Safety fuses are subject to Directive 2014/28/EU and therefore not considered in this document. This document does not apply for articles containing pyrotechnic compositions that include any of the following substances: — arsenic or arsenic compounds; — polychlorobenzenes; — mercury compounds; — white phosphorus; — picrates or picric acid.

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prEN 18236 Viešoji apklausa

Komentavimo iki data 2025-12-09

Plaušiena, popierius ir kartonas. Policiklinių aromatinių angliavandenilių (PAA) migracijos į maisto modelinius tirpalus nustatymas

This document specifies a test method for the determination of the specific migration of polycyclic aromatic hydrocarbons (PAH) from paper, board and pulp into the food simulant isooctane. The amounts of polycyclic aromatic hydrocarbons (PAHs) are expressed in micrograms PAH per litre of solvent extract. It is applicable for the determination of the 24 PAHs given in 6.3, Table 1. The test method is also applicable for the determination of further PAHs unless a validation for every further analyte is done by the laboratory using this test method. In general, this test method is applicable to the determination of PAHs in concentrations ranging from 2,5 μg/l to 100 μg/l for solvent extracts. Deviations from this range are possible.

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EN 15425:2023/prA1 Viešoji apklausa

Komentavimo iki data 2025-12-09

Klijai. Laikančiųjų medinių konstrukcijų vienkomponenčiai poliuretaniniai (PUR) klijai. Klasifikavimas ir eksploatacinių charakteristikų reikalavimai

This document establishes a classification for one component polyurethane (PUR) adhesives according to their suitability for use in load-bearing timber products in defined climatic exposure conditions, and specifies performance requirements for such adhesives for the factory manufacture or factory-like manufacturing of load-bearing timber products only. It also classifies “adhesive product lines” where all the products within the line have the same chemical composition except for a different amount of catalyst. This document only specifies the performance of adhesives for use in an environment corresponding to the defined conditions. The performance requirements of this document are applicable to the adhesives only, not to the manufactured timber products. This document does not cover the performance of adhesives for on-site gluing (except for factory-like conditions) or the production of wood-based panels, except solid wood panels, or modified and stabilized wood with considerably reduced swelling and shrinkage properties, e.g. acetylated wood, heat treated wood and polymer impregnated wood. This document is primarily intended for use by adhesive manufacturers and for use in timber products bonded with adhesives, to assess or control the quality of adhesives. The requirements are applicable to the type testing of the adhesives. Production control activities are outside the scope of this document. Adhesives meeting the requirements of this document are adequate for use in load-bearing timber products, provided that the bonding process has been carried out according to an appropriate product standard. This document does not address the classification and use of adhesives in combination with the spraying of water before or during the bonding process; see informative Annex C of this document. This does neither allow nor forbid the use of adhesives in combination with the spraying of water.

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EN 301:2023/prA1 Viešoji apklausa

Komentavimo iki data 2025-12-09

Fenoliniai ir aminoplastiniai laikančiųjų medinių konstrukcijų klijai. Klasifikavimas ir eksploatacinių charakteristikų reikalavimai

This document establishes a classification for phenolic and aminoplastic polycondensation adhesives according to their suitability for use for load-bearing timber products in defined climatic exposure conditions, and specifies performance requirements for such adhesives for the factory manufacture or factory-like manufacturing conditions of load-bearing timber products only. This document only specifies the performance of an adhesive for use in an environment corresponding to the defined conditions. The performance requirements of this document are applicable to the adhesive only, not to the manufacturing timber products. This document does not cover the performance of adhesives for on-site gluing (except for factory-like conditions) or the production of wood-based panels, except solid wood panels, or modified and stabilized wood with considerably reduced swelling and shrinkage properties, e.g. acetylated wood, heat treated wood and polymer impregnated wood. This document is primarily intended for use by adhesive manufacturers and for use in timber products bonded with adhesives, to assess or control the quality of adhesives. The requirements are applicable to the type testing of the adhesives. Production control activities are outside the scope of this document. Adhesives meeting the requirements of this document are adequate for use in load-bearing timber products, provided that the bonding process has been carried out according to an appropriate product standard.

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prEN ISO 15936 Viešoji apklausa

Komentavimo iki data 2025-12-09

Dirvožemis, atliekos, apdorotos biologinės atliekos ir dumblas. Visuminės organinės anglies nustatymas sausai deginant (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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EN ISO 7278-2:2022/prA1:2025 Viešoji apklausa

Komentavimo iki data 2025-12-09

Naftos matavimo sistemos. 2 dalis. Vamzdinių kalibratorių konstrukcija, kalibravimas ir veikimas. 1 keitinys (ISO 7278-2:2022/DAmd1:2025)

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prEN 18234 Viešoji apklausa

Komentavimo iki data 2025-12-09

Prie pagrindo netvirtinamos modulinės mechaniškai sujungiamos grindų dangos. Pagrindai. Specifikacija, reikalavimai ir bandymo metodai

This document specifies test methods for the determination of the technical characteristics of underlays under modular mechanical locked floor coverings. It can be used to compare different underlays and to encourage the consumer to make an informed choice. It also specifies requirements for marking and packaging. Underlays pre-attached to the flooring coverings are not covered by this document. This document is not applicable to the performance of the floor covering system. This will be checked separately depending on the used floor covering.

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prEN 197-10 Viešoji apklausa

Komentavimo iki data 2025-12-09

Cementas. 10 dalis. Atitikties vertinimas, nustatant vandenyje tirpaus chromo(VI) kiekį

This document specifies the scheme for the assessment of conformity with the regulatory limit for water-soluble hexavalent chromium. This document provides technical rules for factory production control, including autocontrol testing of samples, and for assessment of factory production control. It also provides rules for actions to be followed in the event of non-compliance with the procedure set in place, or that of exceeding the limit of water-soluble hexavalent chromium, hereafter to be referred to as “water-soluble chromium (VI)”. This document applies to all cements within the meaning of the term “cement”.

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prEN 1104 Viešoji apklausa

Komentavimo iki data 2025-12-09

Su maisto produktais susiliečiantis popierius ir kartonas. Antimikrobinių sudedamųjų dalių pernašos nustatymas

This document specifies a test method for the determination of the transfer of antimicrobial constituents from paper and board materials and articles intended for food contact. NOTE The use of this document is determined by legislation pertaining to paper and board intended to come into contact with foodstuffs.

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prEN 18178-5 Viešoji apklausa

Komentavimo iki data 2025-12-09

Apsaugos nuo kvėpavimo takų infekcijų priemonės, skirtos dėvinčiajam ir aplinkiniams asmenims apsaugoti. 5 dalis. Klasifikavimas

This document specifies the classification for respiratory infection prevention devices (RIPDs). RIPDs are intended to reduce the emission of infective agents from the user’s airways into the environment, and also reduce exposure to the user from inhalation of infective agents. RIPDs are intended for use by everybody regardless of facial morphology or ability.

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