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WITHDRAWN ASTM D7728-11 1.9.2011 preview

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ASTM D7728-11

Standard Guide for Selection of ASTM Analytical Methods for Implementation of International Cyanide Management Code Guidance

STANDARD published on 1.9.2011

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The information about the standard:

Designation standards: ASTM D7728-11
Note: WITHDRAWN
Publication date standards: 1.9.2011
SKU: NS-39028
The number of pages: 5
Approximate weight : 15 g (0.03 lbs)
Country: American technical standard
Category: Technical standards ASTM

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Chemical analysis

Annotation of standard text ASTM D7728-11 :

Keywords:

free cyanide, International Cyanide Management Code, WAD cyanide, ICS Number Code 71.040.40 (Chemical analysis)

Additional information

Significance and Use

This guide is intended as a means for selecting the proper methods for measuring cyanide to conform to the International Cyanide Management Code guidance related to the analysis of cyanide bearing solutions. Cyanide is analyzed in process solutions and in discharges in order to apply code guidance; however, improper sample collection and preservation can result in significant positive or negative bias, potentially resulting in over reporting or under reporting cyanide releases into the environment.

This guide contains comparative test methods that are intended for use in routine monitoring of cyanide. It is assumed that all who use methods listed in this guide will be trained analysts capable of performing them skillfully and safely. It is expected that work will be performed in a properly equipped laboratory applying appropriate quality control practices such as those described in Guide .

1. Scope

1.1 This guide is applicable for the selection of appropriate ASTM standard analytical methods for metallurgical processing sites to conform to International Cyanide Management Code guidance for the analysis of cyanide bearing solutions.

1.2 The analytical methods in this practice are recommended for the sampling preservation and analysis of total cyanide, available cyanide, weak acid dissociable cyanide, and free cyanide by Test Methods , , , , , , , and . 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 guide 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 guide to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.

2. Referenced Documents

D6888-16(2023)	Standard Test Method for Available Cyanides with Ligand Displacement and Flow Injection Analysis (FIA) Utilizing Gas Diffusion Separation and Amperometric Detection
D7572-15(2022)	Standard Guide for Recovery of Aqueous Cyanides by Extraction from Mine Rock and Soil
D7511-12(2017)e1	Standard Test Method for Total Cyanide by Segmented Flow Injection Analysis, In-Line Ultraviolet Digestion and Amperometric Detection (Includes all amendments and changes 7/26/2017).
D6696-16(2023)	Standard Guide for Understanding Cyanide Species
D3856-11	Standard Guide for Management Systems in Laboratories Engaged in Analysis of Water
D3694-96(2017)	Standard Practices for Preparation of Sample Containers and for Preservation of Organic Constituents
D6994-15	Standard Test Method for Determination of Metal Cyanide Complexes in Wastewater, Surface Water, Groundwater and Drinking Water Using Anion Exchange Chromatography with UV Detection
D7237-18	Standard Test Method for Free Cyanide and Aquatic Free Cyanide with Flow Injection Analysis (FIA) Utilizing Gas Diffusion Separation and Amperometric Detection
D7284-20	Standard Test Method for Total Cyanide in Water by Micro Distillation followed by Flow Injection Analysis with Gas Diffusion Separation and Amperometric Detection
D7365-09a(2022)	Standard Practice for Sampling, Preservation and Mitigating Interferences in Water Samples for Analysis of Cyanide (Includes all amendments and changes 5/13/2022).
D4282-15(2022)	Standard Test Method for Determination of Free Cyanide in Water and Wastewater by Microdiffusion
D4374-06	Standard Test Methods for Cyanides in Water-Automated Methods for Total Cyanide, Weak Acid Dissociable Cyanide, and Thiocyanate (Withdrawn 2013)
D4840-99(2018)e1	Standard Guide for Sample Chain-of-Custody Procedures (Includes all amendments and changes 8/22/2018).
D4841-88(2018)	Standard Practice for Estimation of Holding Time for Water Samples Containing Organic and Inorganic Constituents
D5847-22	Standard Practice for Writing Quality Control Specifications for Standard Test Methods for Water Analysis
D1129-13(2020)e2	Standard Terminology Relating to Water (Includes all amendments and changes 2/14/2024).
D1193-06(2018)	Standard Specification for Reagent Water
D1293-18	Standard Test Methods for pH of Water
D1976-20	Standard Test Method for Elements in Water by Inductively-Coupled Plasma Atomic Emission Spectroscopy
D2036-09(2022)	Standard Test Methods for Cyanides in Water

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