N749 Dye (Black Dye)
https://www.sciencecollaboration.org/shop/fm-sr-52716-n749-dye-black-dye-24101
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N749 Black Dye, 95% purity, high-performance dye for solar cells and photochemical uses, enhancing light absorption. 50mg
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30-day money-back guarantee
Shipping: 2-3 Business Days
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