Detection technology for basic copper chloride content

Abstract

The invention provides a technique for detecting the content of copper chloride hydroxide. Only copper chloride in the copper chloride hydroxide is capable of dissolving in water, while cupric hydroxide and copper chloride hydroxide are capable of dissolving in acid. The technique comprises the following steps: dissolving copper chloride hydroxide in water and then filtering, and measuring the content of water soluble chloride ion in the filtrate obtained from filtration by the Volhard titration method; dissolving copper chloride hydroxide in nitric acid, and measuring the total content of chloride ion therein by the Volhard titration method; and dissolving copper chloride hydroxide in hydrochloric acid, and measuring the total content of copper therein by the iodometric method. The accurate contents of water soluble copper chloride, copper chloride hydroxide and cupric hydroxide in copper chloride hydroxide can be calculated through the three steps.

Description

Technical field: [0001] The invention relates to the field of detection of the content of basic copper chloride. Specifically, the content of basic copper chloride can be detected more accurately through this detection technology, and the influence of copper hydroxide and water-soluble copper chloride is avoided. Background technique: [0002] The molecular formula of basic copper chloride is Cu 2 (OH) 3 Cl, with a molecular weight of 213.57, is a dark green crystalline powder, insoluble in water, non-deliquescent, and very stable in air. It is believed to be a combination of copper chloride (a strong acid) and copper hydroxide (a strong base) in which three quarters of the acid can be neutralized. The result is a salt that is a basic salt that is insoluble in water but dissolves very quickly in the animal's gut. Due to its low water solubility, this compound will not decompose to produce copper cations to promote feed oxidation, and its damage to feed formula is far lowe...

AI Technical Summary

Problems solved by technology

[0003] The traditional detection method of basic copper chloride is to measure the copper content in it by iodometric method after acid dissolution, and convert the content of basic copper chloride through molecular formula. The water-soluble copper chloride and copper hydroxide contained in it are The content of copper is converted into basic copper chloride through the measured copper, which cannot accurately characterize the content of basic copper chloride.