IR Absorption Table
IR Absorption Table Wavenumber (cm⁻¹) Absorption Group / Structure Notes 3600–3650 Sharp, strong Free O–H (phenol/alcohol) Not H-bonded 3500–3450 Sharp, medium 2° amine N–H (–NH) Single absorption 340…
זרם דיונים
אזור דיון
החלף שפות דרך החלק העליון של דף האינטרנט וסנן תוכן לפי שפה כדי לצפות בנושאים בשפה הנבחרת.
FTIR Learning Series (60 Episodes) — Index | 红外光谱科普系列索引
FTIR Learning Series / 红外光谱科普系列 Canonical SEO pages (preferred for reading & search): Series index : https://ftir.fun/learn/ir/ Chinese: https://ftir.fun/learn/ir/?hl=zh-hans This forum topic is a…
Common Materials by FTIR — Index | 常见材料红外鉴定索引
Common Materials by FTIR — Index | 常见材料红外鉴定索引 Canonical material pages under /ir/material/ . Showing top 40 materials by cited DOI coverage (not the full catalog). Materials chitosan ( chitosan ) — 24…
Common FTIR Functional Groups — Index | 常见官能团索引
Common FTIR Functional Groups — Index | 常见官能团索引 Canonical group pages under /ir/group/ . Full searchable table: https://ftir.fun/ir/frequency-table/ Showing top 40 groups by supporting facts (not the…
FTIR IR Evidence Pages Hub — /ir/ Index | 红外光谱证据页总索引
FTIR IR Evidence Pages Hub / 红外光谱证据页总索引 Canonical pages (preferred for search & citation): Frequency table : https://ftir.fun/ir/frequency-table/ Chinese: https://ftir.fun/ir/frequency-table/?hl=z…
9-Vinylanthracene / Styrenic Polymer FTIR Analysis: DPT Format Full-Spectrum Search
Substance Overview Target Substance (library + LLM consensus): 9-Vinylanthracene (9-Ethenylanthracene) / 9-Vinylanthracene / 9-Ethenylanthracene Molecular Formula: C₁₆H₁₂ CAS No.: 2444-68-0 Library To…
Polystyrene (PS) FTIR Spectrum Analysis: LLM Reasoning vs. Library Match
Substance Overview Target Substance (library + LLM consensus): Polystyrene (PS) / Polystyrene Molecular Formula: (C₈H₈)ₙ CAS No.: 9003-53-6 Library Top-1 Hit: 2,2,3,3,4,4,5,5,6,6,7,7,8,8,9,9-hexadecaf…
Results20260708092657018103445
inorganic sulfate salt, possibly hydrated The main component may be an inorganic sulfate salt, likely with water of crystallization. The spectrum exhibits a strong, broad S=O asymmetric stretch charac…
Results20260625084011913764142
LLM暂时无法使用，请稍后重试。 LLM暂时无法使用，请稍后重试。 Review the report above first. Use the comments below for follow-up questions or extra information. en&2
Results20260625104516302797707
ethane-1,2-diol The main component may be ethane-1,2-diol (ethylene glycol). The spectrum exhibits a broad O–H stretching band near 3287 cm⁻¹, alkyl C–H stretches at 2935 and 2876 cm⁻¹, and C–O stretc…