GB/T 14506.26-2010 English PDFUS$169.00 · In stock
Delivery: <= 3 days. True-PDF full-copy in English will be manually translated and delivered via email. GB/T 14506.26-2010: Methods for chemical analysis of silicate rocks -- Part 26: Determination of cobalt content Status: Valid GB/T 14506.26: Historical versions
Basic dataStandard ID: GB/T 14506.26-2010 (GB/T14506.26-2010)Description (Translated English): Methods for chemical analysis of silicate rocks -- Part 26: Determination of cobalt content Sector / Industry: National Standard (Recommended) Classification of Chinese Standard: D53 Classification of International Standard: 73.080 Word Count Estimation: 7,718 Date of Issue: 2010-11-10 Date of Implementation: 2011-02-01 Older Standard (superseded by this standard): GB/T 14506.26-1993 Quoted Standard: GB/T 6682; GB/T 14506.1 Regulation (derived from): National Standard Approval Announcement 2010 No.8 (Total No.163) Issuing agency(ies): General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, Standardization Administration of the People's Republic of China Summary: This standard specifies the method for the determination of cobalt content. This section applies to the determination of the amount of cobalt silicate rocks, are also applicable to the determination of cobalt in soil and stream sediment volume, measuring range, 2S��g/g ~ 1 000��g/g of cobalt. Warning: Use of this person should be a regular part of the laboratory work experience. This section does not indicate that all possible safety problems. Users are responsible for taking appropriate safety and health practices, and to ensure compliance with the relevant conditions of the national regulations. GB/T 14506.26-2010: Methods for chemical analysis of silicate rocks -- Part 26: Determination of cobalt content---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order. Methods for chemical analysis of silicate rocks Part 26. Determination of cobalt content ICS 73.080 D53 National Standards of People's Republic of China Replacing GB/T 14506.26-1993 Silicate rocks - Part 26. Determination of cobalt content Part 26. Determinationofcobaltcontent Issued on. 2010-11-10 2011-02-01 implementation Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China Standardization Administration of China released ForewordGB/T 14506 "Methods for chemical analysis of silicate rocks" 30 consists of the following components. --- Part 1. Determination of water absorption; --- Part 2. Determination of combined water; --- Part 3. Determination of the amount of silica; --- Part 4. Determination of the amount of aluminum oxide; --- Part 5. Determination of total iron content; --- Part 6. Determination of calcium oxide content; --- Part 7. Determination of the amount of magnesium oxide; --- Part 8. Determination of the amount of titanium dioxide; --- Part 9. Determination of the amount of phosphorus pentoxide; --- Part 10. Determination of the amount of manganese oxide; --- Part 11. Determination of the amount of sodium hydroxide and oxide; --- Part 12. Determination of the amount of fluorine; --- Part 13. Determination of sulfur content; --- Part 14. Determination of ferrous oxide; --- Part 15. Determination of the amount of lithium; --- Part 16. Determination of the amount of rubidium; --- Part 17. Determination of the amount of strontium; --- Part 18. Determination of copper content; --- Part 19. Determination of lead content; --- Part 20. Determination of the amount of zinc; --- Part 21. Determination of the amount of nickel and cobalt; --- Part 22. Determination of the amount of vanadium; --- Part 23. Determination of chromium; --- Part 24. Determination of cadmium content; --- Part 25. Determination of molybdenum and tungsten; --- Part 26. Determination of cobalt content; --- Part 27. Determination of nickel content; --- Part 28. Determination of the amount of 16 major and minor components; Part --- 29. 22 the amount of rare earth element determination; --- Part 30. Determination of the amount of 44 elements. This section GB/T 14506 of Part 26. This Part replaces GB/T 14506.26-1993 "Silicate rocks - 4 - [(5-chloro-2-pyridyl) - azo] -1,3-diamine Determination of cobalt content. "Benzene spectrophotometry. Section compared with the GB/T 14506.26-1993 main change this as follows. --- Increasing the normative references, warning, warnings; --- The weighed sample quantity and dispensing solutions to a list representation. This section presents the People's Republic of China Ministry of Land Resources. This part of the National Standardization Technical Committee under the jurisdiction of Land and Resources. This section drafted by. National Geological Experimental Test Center. The main drafters of this section. Wangsu Ming, Yan Maohong. This part of the standard replaces the previous editions are. --- GB/T 14506.26-1993. Silicate rocks - Part 26. Determination of cobalt content Warning --- Use this section shall be a person experiences regular laboratory work. This section does not point out all possible security asked question. Users have the responsibility to take appropriate safety and health practices and to ensure compliance with the conditions relevant national regulations.1 ScopeGB/T 14506 provisions of this part of the determination of the amount of cobalt in silicate rocks. This section applies to the amount of cobalt determination in silicate rocks, also applies to the measurement of soil and stream sediments in the amount of cobalt. Measuring range. 25μg/g ~ 1000μg/g of cobalt.2 Normative referencesThe following documents contain provisions which, through reference GB/T 14506 in this section constitute provisions of this section. For dated reference documents Member, all subsequent amendments (not including errata content) or revisions do not apply to this section, however, encouraged to reach under this section Parties to research agreement to use the latest versions of these documents. For undated reference documents, the latest versions apply to this section. Laboratory use specifications and test methods GB/T 6682 Analysis GB/T 14506.1 Silicate rocks - Part 1. Determination of water adsorption Principle 3 Sample alkali fusion sodium peroxide decomposition, water extraction, filtration, dissolve the precipitate with hydrochloric acid to separate the portion of the solution at pH5 acetate medium The cobalt content of 4 - [(5-chloro-2-pyridinyl) - azo] -1,3-diaminobenzene (5-Cl-PADAB) is formed of a composition of red complex 1.2, added salt After acid, into a stable complex of red wine. On a spectrophotometer at the wavelength of 570nm at measuring the absorbance, calculate the amount of cobalt.4 ReagentsUnless otherwise stated in this section are consistent with the use of analytical reagent and GB/T 6682 analytical laboratory use in the analysis. 4.1 sodium peroxide. 4.2 hydrochloride (11). 4.3 hydrochloride (298). 4.4 nitric acid (11). 4.5 phosphate (11). 4.6 Sodium hydroxide solution (20g/L). 4.7 Aqueous ammonia (11). 4.8 sodium acetate solution (500g/L). Weigh 50g crystals of sodium acetate (NaAc · 3H2O), was dissolved in water and dilute to 100mL. Such as muddy Cloud must filter after use. 4.9 iron solution. Weigh 0.57g of high-purity iron oxide, placed in 150mL beaker, add 10mL of concentrated hydrochloric acid, dissolved by heating, cooling, shift Into 100mL volumetric flask, dilute to the mark, shake. This solution 1mL containing 4mg iron. 4.10 4 - [(5-chloro-2-pyridinyl) - azo] -1,3-diaminobenzene (referred to as 5-Cl-PADAB or cobalt reagent) - ethanol solution (0.5g/L). Weigh 0.05g5-Cl-PADAB, placed in 100mL dry beaker, add 80mL ethanol, and dissolved (if insoluble materials placed temperature A water bath heated to help dissolve, as there insolubles are filtered) and transferred to 100mL volumetric flask, diluted with ethanol to the mark, shake. ......Tips & Frequently Asked Questions:Question 1: How long will the true-PDF of GB/T 14506.26-2010_English be delivered?Answer: Upon your order, we will start to translate GB/T 14506.26-2010_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 14506.26-2010_English with my colleagues?Answer: Yes. 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