UNI 4774:1961
UNI · 1961-07-31
Procedures for chemical analysis of metals. Determination of zinc in cadmium. Polarographic method.
1Key Takeaways
The sample is dissolved in a sufficient amount of mercury. The amalgam, immersed in a weakly acidic solution, acts as the anode; under specific electrolysis conditions, all zinc and only small amounts of cadmium dissolve into the solution. Zinc is directly determined in the solution by polarography. Procedure.
2Scope / Description
The sample is dissolved in a sufficient amount of mercury. The amalgam, immersed in a weakly acidic solution, acts as the anode; under specific electrolysis conditions, all zinc and only small amounts of cadmium dissolve into the solution. Zinc is directly determined in the solution by polarography. Procedure.
3Version History
UNI 4774:1961
1961-07-31
5Citation Network
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6Frequently Asked Questions
What is UNI 4774:1961?
UNI 4774:1961 — Procedures for chemical analysis of metals. Determination of zinc in cadmium. Polarographic method. is an international standard developed by Ente Nazionale Italiano di Unificazione. The sample is dissolved in a sufficient amount of mercury. The amalgam, immersed in a weakly acidic solution, acts as the anode; under specific electrolysis conditions, all zinc and only small amounts of cadmium dissolve into the solution. Zinc is...
What does UNI 4774:1961 cover?
This standard covers: The sample is dissolved in a sufficient amount of mercury. The amalgam, immersed in a weakly acidic solution, acts as the anode; under specific electrolysis conditions, all zinc and only small amounts of cadmium dissolve into the solution. Zinc is directly determined in the solution by...
Who should use this standard?
This standard is intended for organizations, professionals, and stakeholders involved in various industries and sectors. It is applicable to manufacturers, service providers, regulatory bodies, and certification organizations.
What is the latest version of UNI 4774:1961?
The current published version is UNI 4774:1961, published on 1961-07-31. Always check for amendments or pending revisions.
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