SN/T 0562-2013 English PDF

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
SN/T 0562-2013	319	Add to Cart	3 days	Determination of lead and copper contents in molybdenum oxide powder for export. Atomic absorption method	Obsolete
SN/T 0562-1996	239	Add to Cart	2 days	Determination of lead and copper contents in molybdenum oxide powder for export. Flame atomic absorption spectrometric method	Obsolete

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Basic data

Standard ID: SN/T 0562-2013 (SN/T0562-2013)
Description (Translated English): Determination of lead and copper contents in molybdenum oxide powder for export. Atomic absorption method
Sector / Industry: Commodity Inspection Standard (Recommended)
Classification of Chinese Standard: G13
Classification of International Standard: 71.060.20
Word Count Estimation: 8,852
Older Standard (superseded by this standard): SN/T 0562-1996
Quoted Standard: GB/T 602; GB/T 2007; GB/T 6682; GB/T 23768
Regulation (derived from): AQSIQ notification issued in 2013 on the first batch of 179 entry-exit inspection and quarantine of industry standards; industry standard for filing Notice 2013 No. 9 (No. 165 overall)
Issuing agency(ies): General Administration of Customs
Summary: This standard specifies the alumina powder of lead, copper content by atomic absorption spectrometric method. This standard applies to lead, Determination of copper content of molybdenum powder. Lead measurement ranges: 0. 01% to 0. 5% (by mass); copper:

SN/T 0562-2013: Determination of lead and copper contents in molybdenum oxide powder for export. Atomic absorption 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 lead and copper contents in molybdenum oxide powder for export.Atomic absorption method People's Republic of China Entry-Exit Inspection and Quarantine Standards Instead of the SN/T 0562-1996 Molybdenum powder lead and copper content determination Atomic Absorption Spectrometry Issued on. 2013-03-01 2013-09-16 implementation People's Republic of China The State Administration of Quality Supervision, Inspection and Quarantine released

Foreword

This standard was drafted in accordance with GB/T 1.1-2009 given rules. Instead of the standard SN/T 0562-1996 "export molybdenum powder lead and copper content by atomic absorption spectrometry method." This standard compared with SN/T 0562-1996, the main technical changes are as follows. --- The standard measurement method increases the concentration of the sample blank. --- This standard modifies the standard name. This standard is proposed and managed by the National Certification and Accreditation Administration Committee. This standard was drafted. People's Republic of China Hebei Exit Inspection and Quarantine. The main drafters of this standard. Guo Lei, Chang Fang. This standard replaces the standards previously issued as follows. --- SN/T 0562-1996. Molybdenum powder lead and copper content determination Atomic Absorption Spectrometry

1 Scope

This standard specifies the molybdenum oxide powder, lead, copper content by atomic absorption spectrometric method. This standard applies to the Determination of Lead and copper content of molybdenum oxide powder. Lead measurement range. 0.01% to 0.5% (mass fraction); copper. 0.01% to 0.5% (mass fraction).

2 Normative references

The following documents for the application of this document is essential. For dated references, only the dated version suitable for use herein Member. For undated references, the latest edition (including any amendments) applies to this document. Preparation of standard solution of GB/T 602 Determination of impurities in chemical reagents GB/T 2007 of minerals in bulk sampling and sample preparation General Laboratory use specifications and test methods GB/T 6682 Analysis GB/T 23768 inorganic chemical products by Flame Atomic Absorption Spectrometry General

3 PRINCIPLE OF THE METHOD

Samples with hydrochloric acid - nitric acid dissolution mixed with air - acetylene flame atomic absorption spectrophotometer, respectively at 283.2nm, 324.8nm measured at a wavelength of lead, calculate the content of lead, copper and copper absorbance of the standard addition method. Test principle See GB/T 23768.

4 Reagents

Unless otherwise indicated, the reagents used were of analytical grade or higher level; the water reached at least three purity GB/T 6682 provisions steam Distilled or deionized water requirements. Nitrate 4.1. ρ = 1.42g/mL. 4.2 HCl. ρ = 1.19g/mL. 4.3 hydrochloric acid - nitric acid mixture (3 1, V/V). 4.4 nitric acid (1 1, V/V). 4.5 nitric acid (1 99, V/V). 4.6 lead standard stock solution. 1000μg/mL (according to GB/T 602 preparation or direct use certified reference material). 4.7 Lead standard solution. Pipette lead standard stock solution 10.00mL (4.6) in 100mL volumetric flask, dilute nitric acid solution (4.5) to Scale, this solution 1mL containing 100μg lead. 4.8 copper standard stock solution. 1000μg/mL (according to GB/T 602 preparation or direct use certified reference material). 4.9 Copper standard solution. Pipette 10.00mL copper standard stock solution (4.8) in 100mL volumetric flask, dilute with water to volume, and mix. This solution 1mL containing 100μg copper. ......

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