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  • ASTM
    E1898-13 Standard Test Method for Determination of Silver in Copper Concentrates by Flame Atomic Absorption Spectrometry
    Edition: 2013
    $103.58
    Unlimited Users per year

Description of ASTM-E1898 2013

ASTM E1898 - 13

Standard Test Method for Determination of Silver in Copper Concentrates by Flame Atomic Absorption Spectrometry

Active Standard ASTM E1898 | Developed by Subcommittee: E01.02

Book of Standards Volume: 03.05




ASTM E1898

Significance and Use

5.1 In the primary metallurgical processes used by the mineral processing industry for copper bearing ores, copper and silver associated with sulfide mineralization are concentrated by the process of flotation for recovery of the metals.

5.2 This test method is a comparative method and is intended to be a referee method for compliance with compositional specifications for metal content or to monitor processes.

5.3 It is assumed that all who use this method will be trained analysts capable of performing skillfully and safely. It is expected that work will be performed in a properly equipped laboratory and that proper waste disposal procedures will be followed. Appropriate quality control practices must be followed such as those described in Guide E882 .

1. Scope

1.1 This test method covers the determination of silver in the range of 13 ?g/g to 500 ?g/g by acid dissolution of the silver and measurement by atomic absorption spectrometry. Copper concentrates are internationally traded within the following content ranges:

Element

Unit

Content Range

Aluminum

%

0.05

to

2.50

Antimony

%

0.0001

to

4.50

Arsenic

%

0.01

to

0.50

Barium

%

0.003

to

0.10

Bismuth

%

0.001

to

0.16

Cadmium

%

0.0005

to

0.04

Calcium

%

0.05

to

4.00

Carbon

%

0.10

to

0.90

Chlorine

%

0.001

to

0.006

Chromium

%

0.0001

to

0.10

Cobalt

%

0.0005

to

0.20

Copper

%

10.0

to

44.0

Fluorine

%

0.001

to

0.10

Gold

?g/g

1.40

to

100.0

Iron

%

12.0

to

30.0

Lead

%

0.01

to

1.40

Magnesium

%

0.02

to

2.00

Manganese

%

0.009

to

0.10

Mercury

?g/g

0.05

to

50.0

Molybdenum

%

0.002

to

0.25

Nickel

%

0.0001

to

0.08

Silicon

%

0.40

to

20.0

Silver

?g/g

18.0

to

8000

Sulfur

%

10.0

to

36.0

Tin

%

0.004

to

0.012

Zinc

%

0.005

to

4.30


1.2 The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard.

1.3 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to its use.


2. Referenced Documents (purchase separately) The documents listed below are referenced within the subject standard but are not provided as part of the standard.

ASTM Standards

D1193 Specification for Reagent Water

E29 Practice for Using Significant Digits in Test Data to Determine Conformance with Specifications

E50 Practices for Apparatus, Reagents, and Safety Considerations for Chemical Analysis of Metals, Ores, and Related Materials

E135 Terminology Relating to Analytical Chemistry for Metals, Ores, and Related Materials

E633 Guide for Use of Thermocouples in Creep and Stress-Rupture Testing to 1800F (1000C) in Air

E882 Guide for Accountability and Quality Control in the Chemical Analysis Laboratory

E1024 Guide for Chemical Analysis of Metals and Metal Bearing Ores by Flame Atomic Absorption Spectrophotometry

E1601 Practice for Conducting an Interlaboratory Study to Evaluate the Performance of an Analytical Method

E1763 Guide for Interpretation and Use of Results from Interlaboratory Testing of Chemical Analysis Methods


Keywords

copper concentrates; flame atomic absorption spectrometry; silver content;


ICS Code

ICS Number Code 71.040.50 (Physicochemical methods of analysis)


DOI: 10.1520/E1898

ASTM International is a member of CrossRef.

ASTM E1898

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About ASTM

ASTM International, formerly known as the American Society for Testing and Materials (ASTM), is a globally recognized leader in the development and delivery of international voluntary consensus standards. Today, some 12,000 ASTM standards are used around the world to improve product quality, enhance safety, facilitate market access and trade, and build consumer confidence. ASTM’s leadership in international standards development is driven by the contributions of its members: more than 30,000 of the world’s top technical experts and business professionals representing 150 countries. Working in an open and transparent process and using ASTM’s advanced electronic infrastructure, ASTM members deliver the test methods, specifications, guides, and practices that support industries and governments worldwide.
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