SN/T 1788-2006 English PDFUS$259.00 · In stock
Delivery: <= 3 days. True-PDF full-copy in English will be manually translated and delivered via email. SN/T 1788-2006: Determination of quinizarin. Extraction spectrophotometric method Status: Valid
Basic dataStandard ID: SN/T 1788-2006 (SN/T1788-2006)Description (Translated English): Determination of quinizarin. Extraction spectrophotometric method Sector / Industry: Commodity Inspection Standard (Recommended) Classification of Chinese Standard: E31 Classification of International Standard: 75.160 Word Count Estimation: 8,899 Date of Issue: 2006-04-25 Date of Implementation: 2006-11-15 Quoted Standard: GB/T 4756; GB/T 6682; ASTM D4057 Adopted Standard: IP 298/92-1998, MOD Regulation (derived from): Industry Standard Notice 2006 No. 7 (No. 79 overall) Issuing agency(ies): General Administration of Customs Summary: This standard specifies the identity diesel quinizarine Determination. This standard applies to diesel quinizarine content of 0. 04mg/L ~ 3. 00mg/L measurement. SN/T 1788-2006: Determination of quinizarin. Extraction spectrophotometric method---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.Determination of quinizarin.Extraction spectrophotometric method Book of the People's Republic of China Entry and Exit Inspection and Quarantine Determination of ruthenium by spectrophotometry Released on.2006-04-25 Implementation of.2006-11-15 People's Republic The General Administration of Quality Supervision, Inspection and Quarantine issued ForewordThis standard is modified by IP298/92 (1998) (Determination ofquinizarin-extractionspectrophotometric Method) "Determination of oxime extraction spectrophotometry". There is only an editorial difference from the original standard. Appendix A of this standard is an informative annex. This standard is proposed and managed by the National Certification and Accreditation Administration. This standard was drafted. Guangdong Entry-Exit Inspection and Quarantine Bureau. The main drafters of this standard. Liang Meiqiong, Liang Miaoling, Zheng Jianguo, Guan Difeng. This standard is the first industry standard for entry-exit inspection and quarantine. Determination of ruthenium by spectrophotometry1 ScopeThis standard specifies the method for determining the enthalpy in diesel fuel. This standard applies to the determination of niobium in diesel fuel from 0.04mg/L to 3.00mg/L.2 Normative referencesThe terms in the following documents become the terms of this standard by reference to this standard. All dated references, followed by all Modifications (not including errata content) or revisions do not apply to this standard, however, parties to agreements based on this standard are encouraged to study Is it possible to use the latest version of these files? For undated references, the latest edition applies to this standard. GB/T 4756 petroleum liquid manual sampling method GB/T 6682 Analytical laboratory water specifications and test methods ASTMD4057 Manual sampling method for petroleum and petroleum products3 PrincipleThe hydrazine is completely separated and concentrated in an alkaline extract, and then subjected to back extraction with decalin. Spectrophotometer The absorbance of the standard solution and the extract can be used to identify and determine the strontium content.4 reagentsThe reagents and water used in this standard use analytical reagents and meet the current standards when no other requirements are specified. Three-stage water is used in the laboratory of GB/T 6682. 4.1 Hydrochloric acid (ρ 1.18 g/mL). 4.2 Toluene. 4.3 Decalin. 4.4 n-butanol. 4.5 Petroleum solvent oil. 4.6 Hydrochloric acid solution (1+1). 4.7 sodium hydroxide solution (50g/L). 4.8 醌茜 Standard sample. The 1,4-dihydroxyindole reagent was recrystallized from toluene (4.2) and dried at 110 ° C for 2 h. 4.9 醌茜 standard solution A. Weigh 1g (accurate to 1mg) 醌茜 standard sample (4.8) dissolved in toluene, and make up to 1L. Take 10mL The solution was diluted with decalin (4.3) to a volume of 1 L and the concentration of this solution was 10 mg/L. 4.10 醌茜 standard solution B. Pipette 10mL 醌茜 standard solution A (4.9) into 40mL 醌茜-free diesel oil, this solution is concentrated The degree is 2 mg/L.5 instrumentsSpectrophotometer.6 samplingSamples were taken according to GB/T 4756 or ASTM D4057 and placed in a suitable closed container. Samples cannot be molded Store in the material container. ......Tips & Frequently Asked Questions:Question 1: How long will the true-PDF of SN/T 1788-2006_English be delivered?Answer: Upon your order, we will start to translate SN/T 1788-2006_English as soon as possible, and keep you informed of the progress. The lead time is typically 1 ~ 3 working days. 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