GB/T 12689.4-2004 English PDFUS$239.00 ยท In stock
Delivery: <= 3 days. True-PDF full-copy in English will be manually translated and delivered via email. GB/T 12689.4-2004: The methods for chemical analysis of zinc and zinc alloys -- The determination of copper content -- The lead diethyldithio-carbamate spectrophotometric method and the flame atomic absorption spectrometric method and the electrolytic method Status: Valid GB/T 12689.4: Historical versions
Basic dataStandard ID: GB/T 12689.4-2004 (GB/T12689.4-2004)Description (Translated English): The methods for chemical analysis of zinc and zinc alloys. The determination of copper content. The lead diethyldithio-carbamate spectrophotometric method and the flame atomic absorption spectrometric method and the electrolytic method Sector / Industry: National Standard (Recommended) Classification of Chinese Standard: H13 Classification of International Standard: 77.040.30 Word Count Estimation: 9,951 Date of Issue: 2004-04-30 Date of Implementation: 2004-10-01 Older Standard (superseded by this standard): GB/T 12689.2-1990; GB/T 12689.9-1990 Adopted Standard: ISO 1976-1975; MOD Regulation (derived from): Announcement of Newly Approved National Standards No. 5 in 2004 (total 67) Issuing agency(ies): General Administration of Quality Supervision, Inspection and Quarantine of the People Republic of China, China National Standardization Administration Committee Summary: This standard specifies: zinc and zinc alloy of copper content determination. This standard applies to: zinc and zinc alloy of copper content determined. Measuring range: 0. 00010% to 0. 010%. Methods, flame atomic absorption spectrometry, scope of this standard provides: Zinc and zinc alloys of copper content determination. This standard applies to: zinc and zinc alloy of copper content determined. Measuring range, 0. 010% to 1. 00%. Electrolysis, Scope This standard specifies the method: the copper content of zinc and zinc alloys Determination. This standard applies to: zinc and zinc alloy of copper content determined. Measuring range, 1. 00% to 6. 00%. Tips & Frequently Asked Questions:Question 1: How long will the true-PDF of GB/T 12689.4-2004_English be delivered?Answer: Upon your order, we will start to translate GB/T 12689.4-2004_English as soon as possible, and keep you informed of the progress. The lead time is typically 1 ~ 3 working days. The lengthier the document the longer the lead time.Question 2: Can I share the purchased PDF of GB/T 12689.4-2004_English with my colleagues?Answer: Yes. The purchased PDF of GB/T 12689.4-2004_English will be deemed to be sold to your employer/organization who actually pays for it, including your colleagues and your employer's intranet.Question 3: Does the price include tax/VAT?Answer: Yes. Our tax invoice, downloaded/delivered in 9 seconds, includes all tax/VAT and complies with 100+ countries' tax regulations (tax exempted in 100+ countries) -- See Avoidance of Double Taxation Agreements (DTAs): List of DTAs signed between Singapore and 100+ countriesQuestion 4: Do you accept my currency other than USD?Answer: Yes. If you need your currency to be printed on the invoice, please write an email to Sales@ChineseStandard.net. In 2 working-hours, we will create a special link for you to pay in any currencies. Otherwise, follow the normal steps: Add to Cart -- Checkout -- Select your currency to pay.Question 5: Should I purchase the latest version GB/T 12689.4-2004?Answer: Yes. Unless special scenarios such as technical constraints or academic study, you should always prioritize to purchase the latest version GB/T 12689.4-2004 even if the enforcement date is in future. Complying with the latest version means that, by default, it also complies with all the earlier versions, technically. |