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Displaying 7671 - 7680 of 7875

ISO/R 1982:1971

Nitric acid for industrial use — Determination of iron content — 2,2'- Bipyridyl photometric me...
The method is applicable to the determination of iron contents greater than 0,0001 % (m/m). The principle consists in evaporation of a test portion, taking up by means of hydrochloric acid and reduction of iron(III) by means of hydroxylammonium chloride. Formation of iron(II)-2,2' -dipyridyl complex in ammonium acetate medium. Photometric measurement of the coloured complex at a wavelength…
Publisher :
ISO
Status :
Withdrawn
Published Date :
1971-04-30
ICS Code(s) :
71.060.30
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IEC 60061-3B:1971

Second supplement - Lamp caps and holders together with gauges for the control of interchangeability...
Subscribe to IEC 60061 Database to access the full and updated content of the series.
Publisher :
IEC
Status :
Published
Published Date :
1970-12-31
ICS Code(s) :
29.140.10
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IEC 60061-3B:1971

Deuxième complément - Culots de lampes et douilles ainsi que calibres pour le contrôle de l'int...
Subscribe to IEC 60061 Database to access the full and updated content of the series.
Publisher :
IEC
Status :
Published
Published Date :
1970-12-31
ICS Code(s) :
29.140.10
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IEC 60061-3C:1971

Third supplement - Lamp caps and holders together with gauges for the control of interchangeability ...
Subscribe to IEC 60061 Database to access the full and updated content of the series.
Publisher :
IEC
Status :
Published
Published Date :
1970-12-31
ICS Code(s) :
29.140.10
Learn more

IEC 60061-3C:1971

Troisième complément - Culots de lampes et douilles ainsi que calibres pour le contrôle de l'in...
Subscribe to IEC 60061 Database to access the full and updated content of the series.
Publisher :
IEC
Status :
Published
Published Date :
1970-12-31
ICS Code(s) :
29.140.10
Learn more

IEC 60061-2B:1971

second supplement - Lamp caps and holders together with gauges for the control of interchangeability...
Subscribe to IEC 60061 Database to access the full and updated content of the series.
Publisher :
IEC
Status :
Published
Published Date :
1970-12-31
ICS Code(s) :
29.140.10
Learn more

IEC 60061-2B:1971

deuxième complément - Culots de lampes et douilles ainsi que calibres pour le contrôle de l'int...
Subscribe to IEC 60061 Database to access the full and updated content of the series.
Publisher :
IEC
Status :
Published
Published Date :
1970-12-31
ICS Code(s) :
29.140.10
Learn more

IEC 60061-1B:1971

Second supplement - Lamp caps and holders together with gauges for the control of interchangeability...
Subscribe to IEC 60061 Database to access the full and updated content of the series.
Publisher :
IEC
Status :
Published
Published Date :
1970-12-31
ICS Code(s) :
29.140.10
Learn more

IEC 60061-1B:1971

Deuxième complément - Culots de lampes et douilles ainsi que calibres pour le contrôle de l'int...
Subscribe to IEC 60061 Database to access the full and updated content of the series.
Publisher :
IEC
Status :
Published
Published Date :
1970-12-31
ICS Code(s) :
29.140.10
Learn more

IEC 60061-1C:1971

Third supplement - Lamp caps and holders together with gauges for the control of interchangeability ...
Subscribe to IEC 60061 Database to access the full and updated content of the series.
Publisher :
IEC
Status :
Published
Published Date :
1970-12-31
ICS Code(s) :
29.140.10
Learn more