We provide the best technologies and services
for resource recycling and environmental protection.
Thank you very much for visiting Hanmin Co., Ltd. We are thinking of protecting the green environment and a sustainable future.
We lead the technologies for reclaiming valuable materials and recycling scrap materials from high-tech products.
We have expertise in sampling technologies as well as wet and dry analysis technologies. We are endeavoring to develop new technologies for analyzing various rare metals and other valuable metallic materials.
Type | Analysis method | Scope of application |
---|---|---|
Wet analysis | Exfoliation | High-quality electronics scrap, PCBs, etc. |
Aqua regia | High-quality aqua regia, etc. | |
Sulfuric acid method | Plating solution, metallic materials (PGC), etc. | |
Titration | High-density metal, metallic material, etc. (PSC, SC, AgNO₃, LIB) | |
Dry analysis | Fire assay | Low-quality electronic scraps, mineral resources, low-quality sludge, etc. |
Kuppel method | Solid gold, tooth gold, and other high-quality Au alloys | |
Pyrolysis | Ionic resin, depleted catalysts, filters, etc. | |
Instrumental analysis | ICP-OES | Instrumental analysis following chemical processing (quantitative and qualitative analyses) |
XRF | Non-destructive analysis (quantitative and qualitative analyses) |