BAIJIAN - Third party testing organization
Chemical analysis methods for lead and lead alloys - Part 6: Determination of arsenic content - Scope 1: This part of GB/T 4103 specifies the method for the determination of arsenic content in lead and lead alloys. This section is applicable to the determination of arsenic content in lead and lead alloys. The following normative references are essential for the application of this document. For dated references、 only the dated version applies to this document. For undated references、 the latest version (including all modification orders) applies to this document. GB/T 6682 Specification and Test Methods for Analytical Laboratory Water (ISO 3696) GB/T 12806 Laboratory Glassware Single Line volumetric flasks (ISO 1042> GB/T 12808 Laboratory Glassware Single Line pipettes (ISO 648) GB/T 12809 Design and Construction Guidelines for Laboratory Glassware Glass Gauges (ISO 384) GB/T 12810 Laboratory Glassware Volume Calibration and Use Methods for Glass Gauges (ISO 4787) 3 General 3.1 Unless otherwise specified、 Only confirmed analytical pure reagents are used in the analysis; The water used is distilled water、 deionized water、 or water of equivalent purity、 which should comply with the provisions of GB/T 6682. 3.2 All instruments used should be within the calibration cycle、 and their performance should meet the technical parameter indicators required for calibration; Glass containers shall use Class A specified in GB/T 12808、 GB/T 12809、 and GB/T 12806. The specific usage method shall refer to the requirements of GB/T 12810
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 problemsinspection 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