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Mwelekeo wa nyenzo: Zinc octadecanoate (zinc stearate)
Spectral ya infrared inalingana na zinki octadecanoate, carboxylate ya zinki yenye mnyororo mrefu (zinci stearate). Bendi za tabia za carboxylate ya metali na minyororo ya aliphatic zipo wazi na zinakubaliana vizuri na mechi ya maktaba.
Hatua zinazofuata zilizopendekezwa: Compare the spectrum directly with a reference spectrum of zinc stearate (zinc octadecanoate) and, if possible, with the metal‑salt series of stearates to confirm the identity. Confirm the metal content by energy‑dispersive X‑ray spectroscopy or ICP‑OES, and use thermogravimetric analysis to quantify the organic portion. If the 741 cm ⁻¹ feature remains ambiguous, obtain X‑ray diffraction data to identify the crystal phase and rule out possible contaminants.
| Cheo | Linganisha % | Kiwanja | SMILES | Nambari ya wigo | Kitendo |
|---|---|---|---|---|---|
| Inapakia wagombea wa maktaba... | |||||
| # | Nambari ya mawimbi (cm⁻¹) | Mnyonyo | Mgawo | Nukuu | Hali ya ugawaji | |
|---|---|---|---|---|---|---|
| 1 | · | 1534 | 1.00 | Bendi saa 1534 cm-1 imetengwa kwa carboxyl[14]. | - | Ujasiri wa juu |
| 2 | · | 2914 | 0.50 | Bendi saa 2914 cm-1 imetengwa kwa alkyl C-H[11]. | - | Ujasiri wa juu |
| 3 | · | 1455 | 0.46 | Bendi saa 1455 cm-1 imetengwa kwa alkyl C-H[12]. | - | Ujasiri wa juu |
| 4 | · | 1396 | 0.37 | Bendi saa 1396 cm-1 imetengwa kwa carboxyl[8]. | - | Ujasiri wa juu |
| 5 | · | 2846 | 0.28 | Bendi saa 2846 cm-1 imetengwa kwa alkyl C-H[13]. | - | Ujasiri wa juu |
| 6 | · | 721 | 0.28 | Bendi saa 721 cm-1 imetengwa kwa kutetemeka kwa methylene yenye mnyororo mrefu / aromatic out of plane C-H[9]. | - | Ujasiri wa juu |
| 7 | · | 741 | 0.25 | Bendi saa 741 cm-1 imetengwa kwa kutetemeka kwa methylene yenye mnyororo mrefu / aromatic out of plane C-H[9]. | - | Ujasiri wa wastani |
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