T/LZZLXH 053-2024 Active Group standards

T/LZZLXH 053-2024 Chemical laboratory standard material management guidance document

Publish Date: 2021-01-25 Implement Date: 2021-02-26 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

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Basic Information

Standard Code: T/LZZLXH 053-2024

Standard Type: Group standards

Standard Status: Active

is_force_gb: no

CCS Name: -

ICS Name: Integrated services

Publish Date: 2021-01-25

Implement Date: 2021-02-26

Scope

Main Technical Content: 4.1 General Requirements - Chemical laboratories (hereinafter referred to as "laboratories") shall have standard material management personnel responsible for coordinating the purchase, acceptance, storage, use, periodic verification, and retirement of standard materials. - Laboratories shall have procedures for transporting, storing, and using standard materials to prevent contamination or damage. - Laboratories shall maintain records of standard material management for at least 3 years or in accordance with relevant regulations. 4.2 Selection and Purchase of Certified Standard Materials - Laboratories selecting and purchasing certified standard materials shall comply with the requirements of GB/T 27025-2008, Section 4.6: - Laboratories shall prioritize certified standard materials listed in the "Catalogue of Standard Materials of the People's Republic of China"; - If the catalogue does not include the required certified standard materials, laboratories may also select certified standard materials provided by domestic industry departments or foreign production organizations. - Laboratories shall ensure that the selected certified standard materials meet the following requirements: - Clear traceability and uncertainty statements; - Preparation, determination, and certification of certified standard materials in accordance with the effective procedures specified in JJF 1342-2012, JJF 1343-2012, and GB/T 15000. - The uncertainty level of the certified standard material properties shall match the measurement limits. - Regularly evaluate and verify the qualifications of suppliers of certified standard materials. - For certified standard materials classified as dangerous chemicals or precursors for controlled substances, their purchase shall comply with relevant national regulations. 4.3 Acceptance of Certified Standard Materials - Upon receiving certified standard materials, laboratories shall