GB/T 42511-2023 in English

《GB/T 42511-2023硬质合金 钴粉中钙、铜、铁、钾、镁、锰、钠、镍和锌含量的测定 火焰原子吸收光谱法》由TC243（全国有色金属标准化技术委员会）归口，TC243SC4（全国有色金属标准化技术委员会粉末冶金分会）执行，主管部门为中国有色金属工业协会。

Introduction

GB/T 42511-2023 Hardmetal - Determination of Calcium, Copper, Iron, Potassium, Magnesium, Manganese, Sodium, Nickel, and Zinc Content in Cobalt Powder by Flame Atomic Absorption Spectrometry

GB/T 42511-2023 is a Chinese national standard that specifies the method for determining the calcium, copper, iron, potassium, magnesium, manganese, sodium, nickel, and zinc content in cobalt powder using flame atomic absorption spectrometry. This standard provides guidelines for the accurate measurement of these elements, which are essential in assessing the quality and composition of hardmetal.

Hardmetal, also known as cemented carbide, is a composite material widely used in various industries due to its exceptional hardness, wear resistance, and strength. The presence of certain elements in cobalt powder, the main binder material in hardmetal, significantly influences its properties and performance. Therefore, it is crucial to determine the content of calcium, copper, iron, potassium, magnesium, manganese, sodium, nickel, and zinc accurately.

Flame atomic absorption spectrometry (FAAS) is a widely accepted analytical technique for the quantification of metallic elements in various samples. This method involves the atomization of the sample in a flame and subsequent measurement of the absorption of characteristic wavelengths of light by the elements of interest. GB/T 42511-2023 provides detailed procedures and requirements for the sample preparation, instrument calibration, measurement, and data analysis using FAAS.

The application of GB/T 42511-2023 ensures the accurate determination of calcium, copper, iron, potassium, magnesium, manganese, sodium, nickel, and zinc content in cobalt powder, enabling manufacturers to assess the quality and composition of hardmetal products. Compliance with this standard contributes to the production of high-quality hardmetal materials with consistent and reliable properties, ultimately enhancing their performance in various applications.