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Xerogels Modified with 4-(2-Pyridylazo)-Resorcinol and Cetylpyridinium Chloride: Determination of Zinc in Solutions by Solid-Phase Spectrophotometry

✍ Scribed by E. I. Morosanova; Zh. M. Azarova; Yu. A. Zolotov

No coin nor oath required. For personal study only.

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