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Viso rasta įrašų: 235

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prEN ISO 9001 Archyvuotas

Komentavimo iki data 2025-11-04

Kokybės vadybos sistemos. Reikalavimai (ISO/DIS 9001:2025)

This document specifies requirements for a quality management system when an organization: a) needs to demonstrate its ability to consistently provide products and services that meet customer and applicable statutory and regulatory requirements, and b) aims to enhance customer satisfaction through the effective application of the system, including processes for improvement of the system and the assurance of conformity to customer and applicable statutory and regulatory requirements. All the requirements of this document are generic and are intended to be applicable to any organization, regardless of its type or size, or the products and services it provides.

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prEN ISO 14096-2 Archyvuotas

Komentavimo iki data 2025-10-30

Neardomieji bandymai. Radiografinių plėvelių skaitmeninio apdorojimo sistemų įvertinimas. 2 dalis. Mažiausieji reikalavimai (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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EN ISO 11608-3:2022/prA1:2025 Archyvuotas

Komentavimo iki data 2025-10-28

Medicininės adatinės injekavimo sistemos. Reikalavimai ir bandymo metodai. 3 dalis. Talpyklės ir integruotieji skysčio tekėjimo įtaisai. 1 keitinys (ISO 11608-3:2022/DAmd1:2025)

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prEN ISO 23695 Archyvuotas

Komentavimo iki data 2025-10-28

Vandens kokybė. Amoniakinio azoto kiekio vandenyje nustatymas. Mažo masto tyrimo naudojant užsandarintus mėgintuvėlius metodas (ISO 23695:2023)

This document specifies a method for the determination of ammonium nitrogen (NH4-N) in drinking water, groundwater, surface water, wastewater, bathing water and mineral water using the small-scale sealed tube method. The result can be expressed as NH4 or NH4-N or NH3 or NH3-N. NOTE 1 In the habitual language use of sewage treatment and on the displays of automated sealed-tube test photometers or spectrophotometers, NH4 without indication of the positive charge has become the common notation for the parameter ammonium. This notation is adopted in this document even though not being quite correct chemical nomenclature. This method is applicable to (NH4-N) concentration ranges from 0,01 mg/l to 1 800 mg/l of NH4-N. The measuring ranges of concentration can vary depending on the type of small-scale sealed tube method of different manufacturers. Concentrations even slightly higher than the upper limit indicated in the manufacturers manual relating to the small-scale sealed tube method used, cannot be reported as accurate results. 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 2 The results of a small-scale sealed tube are most precise in the middle of the application range of the test. All manufacturers' methods are based on the Berthelot reaction and its modifications to develop indophenol blue colour. Reagents mixtures can differ slightly based on manufacturers small-scale sealed tube method, see Clause 9. This method is applicable to non-preserved samples by using small-scale sealed tubes for the determination of drinking water, groundwater, surface water, wastewater and to preserved samples. The method is applicable to samples with suspended materials if these materials are removable by filtration.

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prEN ISO 23697-2 Archyvuotas

Komentavimo iki data 2025-10-28

Vandens kokybė. Bendrojo sujungtojo azoto kiekio (ST-TNb) vandenyje nustatymas mažo masto tyrimo naudojant užsandarintus mėgintuvėlius metodu. 2 dalis. Chromotropo rūgšties spalvinė reakcija (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 23697-1 Archyvuotas

Komentavimo iki data 2025-10-28

Vandens kokybė. Bendrojo sujungtojo azoto kiekio (ST-TNb) vandenyje nustatymas mažo masto tyrimo naudojant užsandarintus mėgintuvėlius metodu. 1 dalis. Dimetilfenolio spalvinė reakcija (ISO 23697-1:2023)

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 220 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 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 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. Different digestion temperatures, 100 °C or 120 °C or 170 °C, and different digestion times are applicable. Dimethylphenol colour reactions are applied, depending on the typical operating procedure of the small-scale sealed tube used, see Clause 9.

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prEN ISO 23696-2 Archyvuotas

Komentavimo iki data 2025-10-28

Vandens kokybė. Nitratų kiekio vandenyje nustatymas mažo masto tyrimo naudojant užsandarintus mėgintuvėlius metodu. 2 dalis. Chromotropo rūgšties spalvinė reakcija (ISO 23696-2:2023)

This document specifies a method for the determination of nitrate as NO3-N in water of various origin such as natural water (including groundwater, surface water and bathing water), drinking water and wastewater, in a measuring range of concentration between 0,20 mg/l and 30 mg/l of NO3-N 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 the 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 1 The results of a small-scale sealed tube test are most precise in the middle of the application range of the test. Manufacturers' small-scale sealed tube methods are based on chromotropic colour reaction, depending on the typical operating procedure of the small-scale sealed tube used, see Clause 9. NOTE 2 Laws, regulations or standards can require that the data is expressed as NO3 after conversion with the stoichiometric conversion factor 4,426 81 in Clause 11. NOTE 3 In the habitual language, use of sewage treatment and on the displays of automated sealed-tube test devices, NO3 without indication of the negative charge has become the common notation for the parameter nitrate and especially for the parameter nitrate-N. This notation is adopted in this document even though not being quite correct chemical nomenclature.

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prEN ISO 23696-1 Archyvuotas

Komentavimo iki data 2025-10-28

Vandens kokybė. Nitratų kiekio vandenyje nustatymas mažo masto tyrimo naudojant užsandarintus mėgintuvėlius metodu. 1 dalis. Dimetilfenolio spalvinė reakcija (ISO 23696-1:2023)

This document specifies a method for the determination of nitrate as NO3-N in water of various origin such as natural water (including groundwater, surface water and bathing water), drinking water and wastewater, in a measuring range of concentration between 0,10 mg/l and 225 mg/l of N03-N 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 the 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 1 The results of a sealed-tube test are most precise in the middle of the application range of the test. Manufacturers' small-scale sealed tube methods are based on dimethylphenol colour reaction depending on the typical operating procedure of the small-scale sealed tube used, see Clause 9. NOTE 2 Laws, regulations or standards can require that the data is expressed as NO3- after conversion with the stoichiometric conversion factor 4,426 81 in Clause 11. NOTE 3 In the habitual language, use of sewage treatment and on the displays of automated sealed-tube test devices, NO3 without indication of the negative charge has become the common notation for the parameter nitrate and especially for the parameter nitrate-N. This notation is adopted in this document even though not being quite correct chemical nomenclature.

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prEN 12726 Archyvuotas

Komentavimo iki data 2025-10-28

Stiklinė tara. 18,5 mm angos skersmens iš vidaus sandarinami kakleliai, skirti bandymą atidaryti rodantiems antkamščiams

This document specifies the dimensions of a mouth finish for stoppers and capsules for glass bottles containing a wine that has a carbonation not exceeding 1,2 g CO2/l, with internal sealing. Two options of finish height are proposed, 14 and 16 mm, the most common one being 16 mm. NOTE Carbonation over 1,2 g CO2/l requires a suitable container and stopper agreed between the glassmaker, the stopper manufacturer, and the packer/filler.

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prEN 18246 Archyvuotas

Komentavimo iki data 2025-10-21

Skaitmeninis gaminio pasas. Duomenų autentiškumo patvirtinimas, patikimumas ir vientisumas

This document defines the requirements and frameworks for secure information processing and communication to safeguard integrity, authenticity and reliability in the digital product passport (DPP) data exchange, minimizing product fraud and counterfeiting through data verification and integrity enforcement mechanisms. This document provides a framework for establishing trust, interoperability, and interoperation via secure electronically signed data construct (ESDC) for multi-actor applications, applicable across various sectors and in multilingual environments. Existing hardware and software systems for unique product identification and storage of this identification are to be considered. The following is out of the scope of this document: system architecture for DPP, DPP use cases, secure elements related to data carriers and cryptographic security features for unique product identifiers. NOTE 1 While not disrupting existing traceability and authentication systems, this document facilitates interoperability by introducing an ESDC scheme to be combined with existing data constructs to cover and preserve existing data models. NOTE 2 Annex A includes illustrative examples and references to supporting implementations, intended to demonstrate approaches that promote interoperability across diverse environments. These references are provided to assist stakeholders in selecting appropriate solutions that comply with applicable legal obligations and technical standards, while preserving existing systems.

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