DIN 38405-13:1981-02
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
GERMAN STANDARD METHODS FOR THE ANALYSIS OF WATER, WASTE WATER AND SLUDGE; ANIONS (GROUP D); DETERMINATION OF CYANIDES (D 13)
Hardcopy , PDF
07-03-2021
English
01-01-1981
1 General information and concepts
2 Quantitative determination
2.1 Determination of total cyanide
2.1.1 Decomposition of the cyanides and
separation of the cyanide of hydrogen
2.1.2 Titrimetric determination by means of
silver nitrate
2.1.2.1 End-point determination by
observation of the Tyndall
effect
2.1.2.2 End-point determination by
use of the indicator
o-dimethylaminobenzylidene-
rhodanine
2.1.3 Photometric determinations by means of
barbituric acid-pyridine
2.2 Determination of the readily liberatable cyanide
2.2.1 Liberation and separation of the cyanide
of hydrogen
2.2.2 Titrimetric determination by means of
silver nitrate
2.2.2.1 End-point determination by
observation of the Tyndall
effect
2.2.2.2 End-point determination by
use of the indicator
p-dimethylaminobenzylidene-
rhodanine
2.2.3 Photometric determinations by means of
barbituric acid-pyridine
2.3 Determination of the cyanogen chloride
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