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

钛镍形状记忆合金化学分析方法第2部分：钴、铜、铬、铁、铌量的测定电感耦合等离子体发射光谱法

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Issued by

SAMR; SAC

Level / Type

National · Recommended

Issue date

April 15, 2009

Implementation date

February 1, 2010

Scope

GB/T 23614.2-2009 is the English-translated version of 钛镍形状记忆合金化学分析方法第2部分：钴、铜、铬、铁、铌量的测定电感耦合等离子体发射光谱法.

GB/T 23614.2-2009 is the Chinese standard "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".

Its scope clause reads: 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. Its clauses include method summary; reagents.

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Document preview — GB/T 23614.2-2009

National Standard of the People's Republic of China

ICS: 77.120.50
Classification: H 64

Issued by: State Administration for Market Regulation; Standardization Administration of the PRC

1 Scope
2 Method summary
3 Reagents
3.6 cobalt standard stock solution
3.7 copper standard stock solution
3.8 Chromium standard stock solution

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 (rho about 1.42g/mL).

3.4

sulfate (1 + 1).

3.5

hydrofluoric acid (rho 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 °C 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.

......
This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 15 pages — is available in the English PDF.

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