FTIR ANALYSIS REPORT

Spectrum Analysis Result

No.: 20250623202111729537149 Date: 2025-06-23 12:24:46 Reported by: FTIR.fun Contact: [email protected]

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Historical stored result

Vinyl chloride/vinyl acetate copolymer

Historical stored result

#322 Initial rank 1 Current rank 1 Library lead match 0.0%

Key findings

Historical stored result loaded without the current FTIR reasoning contract. Direction/entity/aggregate evidence was not generated for this record.

Primary risk

Historical stored result loaded without the current FTIR reasoning contract. Direction/entity/aggregate evidence was not generated for this record.

Peak analysis

Detected peaks and interpretation

Rows marked with ★ are the characteristic peaks selected by the LLM analyzer.

Index	Characteristic	Wavenumber	Absorbance	Sources	One-line interpretation	KG citation	LLM confidence
1	·	995	1.00	-	995 cm-1: possible source: Refer to AI conclusion.	-	-
2	·	1074	0.54	-	1074 cm-1: possible source: Refer to AI conclusion.	-	-
3	·	926	0.40	-	926 cm-1: possible source: Refer to AI conclusion.	-	-
4	·	1147	0.34	-	1147 cm-1: possible source: Refer to AI conclusion.	-	-
5	·	3286	0.33	-	3286 cm-1: possible source: Refer to AI conclusion.	-	-
6	·	860	0.30	-	860 cm-1: possible source: Refer to AI conclusion.	-	-
7	·	1333	0.21	-	1333 cm-1: possible source: Refer to AI conclusion.	-	-
8	·	1641	0.18	-	1641 cm-1: possible source: Refer to AI conclusion.	-	-
9	·	2927	0.18	-	2927 cm-1: possible source: Refer to AI conclusion.	-	-

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Evidence

Conclusion evidence

Only evidence already present in the current result contract is shown here.

Library lead candidate LIB

Vinyl chloride/vinyl acetate copolymer #322 | match 0.0%

Reasoning

Reasoning chain

This section explains how the current conclusion was reached from the available evidence.

Historical stored result loaded without the current FTIR reasoning contract. Direction/entity/aggregate evidence was not generated for this record.

Risk

Uncertainty and blockers

These items limit how far the current conclusion can be trusted or refined.

Historical stored result loaded without the current FTIR reasoning contract. Direction/entity/aggregate evidence was not generated for this record.

Recommendation

Recommended next steps

These are the next verification actions suggested by the current reasoning output.

Re-run this sample with the current FTIR reasoning chain if you need a current conclusion.

Appendix

Sample information and raw spectrum

The raw uploaded spectrum is retained here for audit and manual review.

Baseline correction method: Asymmetric Least Squares Smoothing

The wavelength range for analysis(cm-1): [(650, 4000)]

Raw spectrum without baseline correction or other processing: