The advantages of fire assay in gold ore sample experiments are mainly reflected in the following aspects:

Good sampling representativeness: Fire assay allows large sampling volume, usually 20g~40g, even up to 100g or more, which helps to ensure the representativeness of the sample and reduce sampling deviation.

Wide adaptability: This method is applicable to almost all types of minerals. Except for very few special samples, fire assay can adapt to various types of mineral samples
1Good enrichment effect: Fire assay can quantitatively enrich a small amount of precious metals from samples containing a large amount of matrix elements. Even at the microgram level, the loss is very small, and the enrichment multiple can reach more than 1000 times, which helps to enrich precious metals to a measurable level1.

High accuracy: The analytical data of fire assay is reliable and accurate. It is suitable for the accuracy requirements of gold from 1μg to 1g, and the sample accuracy is better than other instrumental methods
2. ‌ Capable of recovering precious metals: When analyzing gold samples, the fire assay can directly recover high-purity gold, reducing the loss of gold1. ‌
In addition, the fire assay is also applicable to samples of different lithologies, and the quality is relatively easy to control. It is also applicable to the detection of large quantities of samples. ‌ For some special sample conditions, such as when the content of interfering elements is high, the fire assay can judge by the naked eye whether the intermediate product meets the quality requirements, thereby adjusting the amount of flux to ensure the analysis quality of special samples3. ‌

In summary, the fire assay has shown its unique advantages in gold mine sample experiments, including good sampling representativeness, wide adaptability, efficient enrichment effect, high accuracy, and the ability to recover precious metals, making it an important means in precious metal analysis.