1 Scope This standard specifies zinc powder for mercury free alkaline zinc manganese dioxide batteries Product classification, requirements, test methods, inspection rules and markings, packaging, transportation, and storage of zinc powder (hereinafter referred to as zinc powder). This standard is applicable to the production, acceptance, and testing of zinc powder for mercury-free alkaline zinc manganese dioxide batteries. 2 Normative reference documents. The clauses in the following documents become clauses of this standard through reference to this standard. For dated reference documents, all subsequent modification orders (excluding corrected content) Neither the revised version nor the revised version is applicable to this standard. However, parties who have reached agreements based on this standard are encouraged to study whether the latest versions of these documents can be used. For undated references, the latest version applies to this standard. GB 191-2000 Graphical Symbols for Packaging, Storage, and Transportation GB 1250- Representation and Determination of Limit Values GB 5314- Sampling Methods for Powder Metallurgy GB/T 12689.12-1990 Chemical Analysis Methods for Zinc and Zinc Alloys, Determination of Cadmium Content by Flame Atomic Absorption Spectroscopy GB/T 1479-1984- Determination of Bulk Density of Metal Powders - Part 1: Funnel Method GBT 1480-1995- Determination of Particle Size Composition of Metal Powders - Dry Sieve Method GB/T 6682-1992- Specifications for Analytical Laboratory Water Test method
Function of testing report:
1. Project bidding: Issue authoritative third-party CMA/CNAS qualification report
2. Online e-commerce platform entry: Quality inspection report recognized by major e-commerce platforms 3. Used as a sales report: issuing legally effective testing reports to make consumers more confident 4. Papers and research: Provide professional personalized testing needs 5. Judicial services: providing scientific, fair, and accurate testing data 6. Industrial problem diagnosis: Verify the troubleshooting and correction of industrial production problemsBaijian and testing process:
1. Telephone communication and confirmation of requirements
2. Recommend solutions and confirm quotations 3. Mail samples and arrange testing 4. Progress tracking and result feedback 5. Provide reports and after-sales service 6. If urgent or priority processing is requiredTesting and testing characteristics:
1. The testing industry is fully covered, meeting different testing needs
2. Fully cover the laboratory and allocate localized testing nearby3. Engineers provide one-on-one services to make testing more accurate
4. Free initial testing, with no testing fees charged
5. Self service order delivery for free on-site sampling
6. Short cycle, low cost, and attentive service 7. Possess authoritative qualifications such as CMA, CNAS, CAL, etc 8. The testing report is authoritative and effective, and is generally used in China