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XB/T 617.3-2014Chemical analysis methods for neodymium iron boron alloy - Part 3: Determination of boron, aluminum, copper, cobalt, magnesium, silicon, calcium, vanadium, chromium, manganese, nickel, zinc and gallium contents - Inductively coupled plasma atomic emission spectrometry (English PDF)

钕铁硼合金化学分析方法 第3部分:硼、铝、铜、钴、镁、硅、钙、钒、铬、锰、镍、锌和镓量的测定 电感耦合等离子体原子发射光谱法

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Issued by

MIIT

Level / Type

Industry · Recommended

Issue date

October 14, 2014

Implementation date

April 1, 2015

Scope

XB/T 617.3-2014 is the English-translated version of 钕铁硼合金化学分析方法 第3部分:硼、铝、铜、钴、镁、硅、钙、钒、铬、锰、镍、锌和镓量的测定 电感耦合等离子体原子发射光谱法.

XB/T 617.3-2014 is the Chinese standard "Chemical analysis methods for neodymium iron boron alloy - Part 3: Determination of boron, aluminum, copper, cobalt, magnesium, silicon, calcium, vanadium, chromium, manganese, nickel, zinc and gallium contents - Inductively coupled plasma atomic emission spectrometry".

Its scope clause reads: This part of XB/T 617 specifies the measurement of boron, aluminum, copper, cobalt, magnesium, silicon, calcium, vanadium, chromium, manganese, nickel, zinc and gallium in NdFeB alloys.

Set method. This section applies to the determination of the amount of boron, aluminum, copper, cobalt, magnesium, silicon, calcium, vanadium, chromium, manganese, nickel, zinc and gallium in neodymium iron boron alloys.

The measurement range is shown in Table 1. Table 1 Element determination range/% Boron 0.80~1.30 Aluminum, copper, silicon, vanadium, chromium, gallium 0.010~0.50 Magnesium, calcium, manganese, nickel, zinc 0.0050~0.50 Cobalt 0.0050~5.00. Its clauses include method principle; reagents and materials.

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Document preview — XB/T 617.3-2014

National Standard of the People's Republic of China

ICS
77.120.99
Classification
H 14

Issued by: Ministry of Industry and Information Technology of the People's Republic of China

Contents

  • 1 Scope
  • 2 Method principle
  • 3 Reagents and materials
  • 3.2 Boron standard storage solution
  • 3.3 Aluminum standard storage solution
  • 3.4 Copper standard storage solution
  • 3.5 Cobalt standard storage solution

1 Scope

This part of XB/T 617 specifies the measurement of boron, aluminum, copper, cobalt, magnesium, silicon, calcium, vanadium, chromium, manganese, nickel, zinc and gallium in NdFeB alloys.

Set method.

This section applies to the determination of the amount of boron, aluminum, copper, cobalt, magnesium, silicon, calcium, vanadium, chromium, manganese, nickel, zinc and gallium in neodymium iron boron alloys. The measurement range is shown in Table 1.

Table 1

Element determination range/%

Boron 0.80~1.30

Aluminum, copper, silicon, vanadium, chromium, gallium 0.010~0.50

Magnesium, calcium, manganese, nickel, zinc 0.0050~0.50

Cobalt 0.0050~5.00

2 Method principle

After the sample is decomposed by acid, it is measured by inductively coupled plasma atomic emission spectrometer, and the matrix effect is corrected by the quasi-matrix matching method.

3 Reagents and materials

3.1

Mixed solution of hydrochloric acid and nitric acid (3 1 4).

3.2 Boron standard storage solution

Weigh 5.7174g of boric acid [w(H3BO3)>=99.99%] and dissolve it in a small amount of water, and heat it at low temperature to completely dissolve it

Solution, transfer to a 1000mL volumetric flask, dilute to the mark with water, and mix. 1mL of this solution contains 1mg of boron.

3.3 Aluminum standard storage solution

accurately weigh 1.0000g metal aluminum [w(Al)>=99.99%] into a 300mL beaker, and add 20mL

Water, add 3g of sodium hydroxide, after it is completely dissolved, slowly neutralize with hydrochloric acid (1 1) until precipitation appears, and excess 20mL, heating to make

Dissolve and stir continuously. After cooling, transfer the solution to a 1000mL volumetric flask, dilute to the mark with water, and mix. This solution 1mL contains

1mg aluminum.

3.4 Copper standard storage solution

accurately weigh 1.0000g metallic copper [w(Cu)>=99.99%], add 20mL nitric acid (1 1), add at low temperature

Heat to dissolve and evaporate to nearly dry, then add 10mL sulfuric acid (1 1), carefully continue to evaporate until white smoke is emitted, after cooling, add water to extract, wait until the salt is completely

After cooling, transfer the solution into a 1000mL volumetric flask, dilute to the mark with water, and mix. 1mL of this solution contains 1mg of copper.

3.5 Cobalt standard storage solution

Weigh 1.0000g of metallic cobalt [w(Co)>=99.99%] in a beaker, add 50mL nitric acid (1 1),

Dissolve by heating on a water bath, add a small amount of water and boil after cooling, cool to room temperature, transfer the solution into a 1000mL volumetric flask, dilute with water to

Scale and mix well. 1mL of this solution contains 1mg of cobalt.

END: AI-Assisted Draft (Manual Translation Upon Order)

XB/T 619 | YS/T 555.11 | YS/T 555.6 | XB/T 617.8 | XB/T 617.2 | XB/T 617.1 | […]

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This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 14 pages — is available in the English PDF.

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