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GB/T 23614.2-2009 English PDF

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GB/T 23614.2-2009: Chemical analysis methods for titanium nickel shape memory alloy -- Part 2: Determination of cobalt, copper, chromium, iron, niobium content -- Inductively coupled plasma atomic emission spectrometry
Status: Valid
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GB/T 23614.2-2009English189 Add to Cart 3 days [Need to translate] Chemical analysis methods for titanium nickel shape memory alloy -- Part 2: Determination of cobalt, copper, chromium, iron, niobium content -- Inductively coupled plasma atomic emission spectrometry Valid GB/T 23614.2-2009

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Basic data

Standard ID GB/T 23614.2-2009 (GB/T23614.2-2009)
Description (Translated English) Chemical analysis methods for titanium nickel shape memory alloy -- Part 2: Determination of cobalt, copper, chromium, iron, niobium content -- Inductively coupled plasma atomic emission spectrometry
Sector / Industry National Standard (Recommended)
Classification of Chinese Standard H64
Classification of International Standard 77.120.50
Word Count Estimation 8,827
Date of Issue 2009-04-15
Date of Implementation 2010-02-01
Regulation (derived from) National Standard Approval Announcement 2009 No.5 (Total No.145)
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 cobalt nickel-titanium shape memory alloy, determination of niobium content, copper, chromium, iron. This section applies to nickel-titanium shape memory alloys, cobalt, determination of the amount of ingot, copper, chromium, iron.

GB/T 23614.2-2009: Chemical analysis methods for titanium nickel shape memory alloy -- Part 2: Determination of cobalt, copper, chromium, iron, niobium content -- Inductively coupled plasma atomic emission spectrometry



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Chemical analysis methods for titanium nickel shape memory alloy Part 2. Determination of cobalt, copper, chromium, iron, niobium content Inductively coupled plasma atomic emission spectrometry. ICS 77.120.50 H64 National Standards of People's Republic of China Nickel-titanium shape memory alloy chemical analysis method Part 2. cobalt, copper, chromium, iron, niobium content determination Inductively Coupled Plasma Atomic Emission Spectrometry Posted 2009-04-15 2010-02-01 implementation Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China Standardization Administration of China released

Foreword

GB/T 23614 "nickel-titanium shape memory alloy chemical analysis method" is divided into two parts. --- Part 1. Determination of the amount of nickel dimethylglyoxime precipitation separation -EDTA complex - zinc back titration; --- Part 2. cobalt, copper, chromium, iron, niobium content - Inductively coupled plasma atomic emission spectrometry. This section GB/T 23614 Part 2. This part is proposed by the China Nonferrous Metals Industry Association. The non-ferrous metal part by the National Standardization Technical Committee. This section is responsible for drafting unit. Beijing Nonferrous Metal Research Institute, there is research billion of the new Materials Co., Ltd.. Participated in the drafting of this section. Limited, Northwest Nonferrous Metal Research Institute, Baoji Titanium Group. The main drafters of this section. Zangmu Wen, Tong Jian, Liu Ying, Li Na, Su Feng Jing, Miao Weidong, Wang Jiangbo, HUANG Yong, Lu Ni, Lei Xiaoyan. Nickel-titanium shape memory alloy chemical analysis method Part 2. cobalt, copper, chromium, iron, niobium content determination Inductively Coupled Plasma Atomic Emission Spectrometry

1 Scope

This section GB/T 23614 specifies the cobalt, copper, chromium, iron, niobium determination of the amount of nickel-titanium shape memory alloys. This section applies to cobalt, copper, chromium, iron, niobium determining the amount of nickel titanium shape memory alloys. Determination of the range in Table 1. Table 1 Element measurement range (mass fraction) /% Co 0.01 ~ 0.1 Cu 0.005 ~ 0.05 Cr 0.005 ~ 0.05 Fe 0.01 ~ 0.1 Nb 0.005 ~ 0.05

2 Method summary

Sample with sulfuric acid, hydrofluoric acid to dissolve and dilute to volume. Inductively coupled plasma emission spectrometer, for analysis recommended Line wavelength measurement Co, Cu, Cr, Fe, Nb emission intensity, according to the matrix matching working curve method to calculate the concentration of each element of the test, in order to Quality Score represents the measurement results.

3 Reagents

Unless otherwise indicated, used in the analysis confirmed only for the gifted class pure reagents and distilled or deionized water or equivalent purity. Titanium 3.1 [w1 (Ti) ≥99.99%, impurities Co, Cu, Cr, Fe, Nb content are ≤0.001%]. Nickel Metal 3.2 [w1 (Ni) ≥99.99%, impurities Co, Cu, Cr, Fe, Nb content are ≤0.001%]. 3.3 nitric acid (ρ about 1.42g/mL). 3.4 sulfate (1 + 1). 3.5 hydrofluoric acid (ρ about 1.15g/mL). 3.6 cobalt standard stock solution. Weigh 1.0000g of cobalt [w1 (Co) ≥99.95%], placed in 400mL beaker, add 50mL nitrate Acid (1 + 1), low temperature heating dissolved and evaporated to near dryness, then add 10mL sulfuric acid (3.4), and evaporated to white smoke continued carefully, after cooling plus Water, heating until the salt is completely dissolved, cooling, the solution is transferred to 1000mL volumetric flask, dilute with water to volume, and mix. This solution 1mL Containing 1.0mg of cobalt. 3.7 copper standard stock solution. Weigh 1.0000g copper [w1 (Cu) ≥99.95%], placed in 400mL beaker, add 20mL nitrate Acid (1 + 1), low temperature heating dissolved and evaporated to near dryness, then add 10mL sulfuric acid (3.4), and evaporated to white smoke continued carefully, add water cooling Leaching. Salt to be dissolved, cooling, the solution is transferred to 1000mL volumetric flask, dilute with water to volume, and mix. This solution 1mL Containing 1.0mg of copper. 3.8 Chromium standard stock solution. Weigh 2.9418g advance at 105 ℃ bake about 1h cooled potassium dichromate (reference reagent) and placed 400mL beaker, add a small amount of water, dissolved, the solution is transferred to 1000mL volumetric flask, dilute with water to volume, and mix. This solution 1mL containing 1.0mg of chromium.

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