40nm Silver Nanoparticles
https://www.reg4all.org/shop/s-40-20-500-ml-40nm-silver-nanoparticles-77801
https://www.reg4all.org/web/image/product.template/77801/image_1920?unique=5ccb42e
High-quality for use in scientific research, chemical synthesis, and laboratory applications. Available in S-40-20-500 ml size. CAS: Unknown
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