EN ISO 648:2008 PDF

Name: EN ISO 648:2008 — Laboratory glassware - Single-volume pipettes (ISO 648:2008)
SKU: EN ISO 648:2008
Price: 60.09 EUR
Availability: InStock

Laboratory glassware - Single-volume pipettes (ISO 648:2008)

Название (английский):

EN ISO 648:2008

Laboratory glassware - Single-volume pipettes (ISO 648:2008)

Статус документа:: Действующий
Формат:: Электронный (PDF)
Количество страниц:: 15
Дата публикации:: 15 октября 2008 г.
Издание:: CEN EN 648 edition 1 version 1
ICS:: 17.060

Тип поставки:

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Срок поставки:3 раб. дн. (перевод)

Цена:225 €

Описание (английский):

ISO 648:2008 specifies metrological and constructional requirements for volumetric pipettes with one mark (total delivery) and for volumetric pipettes with two marks, both of which are adequate for general laboratory purposes. The details specified are in conformity with the principles of design and construction of volumetric glassware given in ISO 384.

Abstract

Overview

Key Topics

Scope and Definitions
- Applies to glass volumetric pipettes with either one mark (for total delivery) or two marks.
- Defines key concepts such as delivery volume, delivery time, and waiting time.
Accuracy Classes
- Class A and AS: Higher precision, suitable for tasks requiring stricter measurement accuracy.
- Class B: Lower grade, offering more flexibility for general use.
Design and Construction
- Specifies requirements for materials with adequate chemical and thermal resistance.
- Outlines construction parameters including shape (straight tube or bulb pattern), overall and component dimensions, and smoothness of the delivery jet.
- Details on marking, graduation lines, and legibility to promote consistent and user-friendly usage.
Performance Requirements
- Sets maximum permissible errors for various nominal volumes.
- Stipulates delivery times and waiting times (for Class AS pipettes).
- Aligns all aspects with ISO 384 principles for volumetric glassware.
Marking and Identification
- Pipettes must be permanently marked with nominal volume, unit, reference temperature, accuracy class, and manufacturer information.
- Recommendations for color coding and standardized inscriptions for clarity and traceability.

Applications

EN ISO 648:2008 is essential for any setting where precise measurement and transfer of liquid volumes are critical. Applications include:

Analytical and Clinical Laboratories Ensures that chemical and biological analyses use accurate liquid handling, leading to reliable results and reproducible processes.
Pharmaceutical Testing Used in preparation and dilution of reagents, ensuring dosage and formulation consistency.
Environmental Monitoring Facilitates accurate water sampling and chemical analyses as required for compliance and research activities.
Food and Beverage Testing Important for quantitative analyses of ingredients and contaminants.
Educational and Research Labs Provides a foundational standard for training students and conducting controlled scientific experiments.

Standardized pipettes minimize variability, reduce measurement uncertainties, and help maintain compliance with national and international regulations, supporting laboratory accreditation and quality management initiatives.

Related Standards

ISO 384: Laboratory glassware – Principles of design and construction of volumetric glassware.
ISO 835: Laboratory glassware – Graduated pipettes.
ISO 1769: Laboratory glassware – Pipettes – Colour coding.
ISO 4794: Laboratory glassware – Methods for assessing the chemical resistance of enamels used for color coding and marking.
ISO 8655-2: Piston-operated volumetric apparatus – Part 2: Piston pipettes.
ISO 719: Glass – Hydrolytic resistance of glass grains – Test and classification.
ISO 3696: Water for analytical laboratory use – Specification and test methods.

Practical Value

Adopting EN ISO 648:2008 for laboratory pipettes guarantees accuracy, reproducibility, and user safety. Laboratories benefit from:

Consistent liquid measurements for critical experiments.
Interchangeability and compatibility of equipment across suppliers and borders.
Simplified procurement, equipment validation, and staff training.
Greater confidence in test results and compliance with regulatory standards.

By following this internationally recognized pipette standard, laboratories ensure their operations meet global best practices in laboratory glassware quality and accuracy.

Технические детали

Технический комитет: CEN/TC 332 - Laboratory equipment
SKU: EN ISO 648:2008

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EN ISO 648:2008 PDF

Abstract

Overview

Похожие стандарты

Key Topics

Applications

Related Standards

Practical Value

Технические детали

ISO 648:2008

Laboratory glassware — Single-volume pipettes

BS EN ISO 3845:2026

Oil and gas industries including lower carbon energy. Full ring ovalization test method for the evaluation of…

SIST EN ISO 835:2007

Laboratory glassware - Graduated pipettes (ISO 835:2007)

SIST EN ISO 17696:2018

Footwear - Test methods for uppers, linings and insocks - Tear strength (ISO 17696:2004)

SIST ISO 4794:1995

Laboratory glassware -- Methods for assessing the chemical resistance of enamels used for colour coding and c…

SIST EN ISO 8655-2:2022

Piston-operated volumetric apparatus - Part 2: Pipettes (ISO 8655-2:2022)

SIST EN ISO 7197:2025

Neurosurgical implants - Sterile, single-use hydrocephalus shunts (ISO 7197:2024)

SIST EN ISO 3696:1998

Water for analytical laboratory use - Specification and test methods (ISO 3696:1987)