FTIR ANALYSIS REPORT

Spectrum Analysis Result

No.: 20250813133536679690855 Date: 2025-08-14 02:16:48 Reported by: FTIR.fun Contact: [email protected]

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Historical stored result

POLYETHYLENE

Historical stored result

#48873 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	·	2919	1.00	-	2919 cm-1: possible source: Refer to AI conclusion.	-	-
2	·	2843	0.52	-	2843 cm-1: possible source: Refer to AI conclusion.	-	-
3	·	2850	0.44	-	2850 cm-1: possible source: Refer to AI conclusion.	-	-
4	·	2928	0.23	-	2928 cm-1: possible source: Refer to AI conclusion.	-	-
5	·	721	0.12	-	721 cm-1: possible source: Refer to AI conclusion.	-	-
6	·	1465	0.12	-	1465 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

POLYETHYLENE #48873 | 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: