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Can I read Formaldehyde solutions for industrial use — Determination of iron content — 2,2'- Bipyridyl photometric method [Withdrawn without replacement] on EtoBox?
Formaldehyde solutions for industrial use — Determination of iron content — 2,2'- Bipyridyl photometric method [Withdrawn without replacement] by ISO/TC 47 Chemistry is a reference work available to read on EtoBox.
What is Formaldehyde solutions for industrial use — Determination of iron content — 2,2'- Bipyridyl photometric method [Withdrawn without replacement] about?
The specified method is applicable to the detection of Fe contents less than 0,0004 % (m/m). The principle consists in conversion of any iron present into the sulphate by evaporation to dryness in the presence of sulphuric acid, and reduction of iron (III) by means of hydroxylammonium chloride. Formation of a iron (II) 2,2'-bipyridyl complex. Photometric measurement of the coloured complex at a wavelength of about 522nm. As an alternative to measurement of absorbance the test solution prepared may be compared visually the Nessler cylinders with standard matching solution or with standard colorimetric discs.
Who reads Formaldehyde solutions for industrial use — Determination of iron content — 2,2'- Bipyridyl photometric method [Withdrawn without replacement]?
It is typically read by working professionals who need an authoritative practice reference.
Common subject areas: medicine, law, business, engineering.
- Author
- ISO/TC 47 Chemistry
- Publisher
- ISO
- Published
- 1972
- Language
- EN
- Category
- reference
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