Astm D 4193 – 02 pdf free download

Standard Test Method for
Thiocyanate in Water 1

This standard is issued under the fixed designation D 4193; the number immediately following the designation indicates the year of
original adoption or, in the case of revision, the year of the last revision. A number in parentheses indicates the year of last reapproval. A
superscript epsilon (e) indicates an editorial change since the last revision or reapproval.

1. Scope

1.1 This test method covers the determination of dissolved
thiocyanate in water, wastewater, and saline water in the range
from 0.1 to 2.0 mg/L. For higher concentrations, use an aliquot
from the diluted sample.

1.2 This test method has been used successfully with
reagent grade, natural, and treated sanitary effluent waters. It is
the user’s responsibility to assure the validity of the test
method on any untested matrices.

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 use. For specific
hazards, see Section 9.

2. Referenced Documents

2.1 ASTM Standards:
D 1129 Terminology Relating to Water2
D 1192 Guide for Equipment for Sampling Water and
Steam in Closed Conduits2
D 1193 Specification for Reagent Water2
D 2036 Test Methods for Cyanides in Water3
D 3370 Practices for Sampling Water from Closed Conduits2
D 3856 Guide for Good Laboratory Practices in Laboratories Engaged in Sampling and Analysis of Water2
D 4210 Practice for Interlaboratory Quality Control Procedures and a Discussion on Reporting Low-Level Data2
D 5788 Guide for Spiking Organics into Aqueous Samples3
D 5789 Practice for Writing Quality Control Specifications
for Standard Test Methods for Organic Constituents3
D 5847 Practice for Writing Quality Control Specifications
for Standard Test Methods for Water Analysis3

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