1.

FTIR-ATR spectra of stearic acid versus ‘stearin’ (commercially available as “stearin for candles”, a mixture of stearic and palmitic acid) showing the same spectral features....

2.

FTIR-ATR spectra of stearic acid versus ‘stearin’ (commercially available as “stearin for candles”, a mixture of stearic and palmitic acid) showing the same spectral features....

3.

FTIR-ATR spectra of stearic acid versus ‘stearin’ (commercially available as “stearin for candles”, a mixture of stearic and palmitic acid) showing the same spectral features....

1.

S2 Fig -

2.

S2 Fig -

3.

S2 Fig -

1.

Location of the samples provided by the beekeepers (N = 98).

2.

Location of the samples provided by the beekeepers (N = 98).

3.

Location of the samples provided by the beekeepers (N = 98).

1.

FTIR-ATR spectra of reference standards used for calibration—genuine (pure) beeswax, and adulterants (paraffin— Paraffinum solidum , stearic acid— Acidum stearicum ).

2.

FTIR-ATR spectra of reference standards used for calibration—genuine (pure) beeswax, and adulterants (paraffin— Paraffinum solidum , stearic acid— Acidum stearicum ).

3.

FTIR-ATR spectra of reference standards used for calibration—genuine (pure) beeswax, and adulterants (paraffin— Paraffinum solidum , stearic acid— Acidum stearicum ).

1.

FTIR-ATR spectra of reference standards (paraffin-beeswax mixtures containing different proportions of paraffin) used for calibration.

2.

FTIR-ATR spectra of reference standards (paraffin-beeswax mixtures containing different proportions of paraffin) used for calibration.

3.

FTIR-ATR spectra of reference standards (paraffin-beeswax mixtures containing different proportions of paraffin) used for calibration.

1.

FTIR-ATR spectra of reference standards (stearic acid-beeswax mixtures containing different proportions of stearic acid) used for calibration.

2.

FTIR-ATR spectra of reference standards (stearic acid-beeswax mixtures containing different proportions of stearic acid) used for calibration.

3.

FTIR-ATR spectra of reference standards (stearic acid-beeswax mixtures containing different proportions of stearic acid) used for calibration.

1.

Prediction performance parameters of the calibration curve constructed for determination of the paraffin share in beeswax: A scatter plot of FTIR-ATR predicted values (instrument r...

2.

Prediction performance parameters of the calibration curve constructed for determination of the paraffin share in beeswax: A scatter plot of FTIR-ATR predicted values (instrument r...

3.

Prediction performance parameters of the calibration curve constructed for determination of the paraffin share in beeswax: A scatter plot of FTIR-ATR predicted values (instrument r...

1.

Residuals of FTIR-ATR prediction in the spectral region with an absorption maximum at 1738 cm -1 .

2.

Residuals of FTIR-ATR prediction in the spectral region with an absorption maximum at 1738 cm -1 .

3.

Residuals of FTIR-ATR prediction in the spectral region with an absorption maximum at 1738 cm -1 .

1.

A scatter plot of FTIR-ATR predicted values (instrument response) versus real (known) paraffin share values using the spectral region with an absorption maximum at 1171 cm -1 .

2.

A scatter plot of FTIR-ATR predicted values (instrument response) versus real (known) paraffin share values using the spectral region with an absorption maximum at 1171 cm -1 .

3.

A scatter plot of FTIR-ATR predicted values (instrument response) versus real (known) paraffin share values using the spectral region with an absorption maximum at 1171 cm -1 .

1.

Residuals of FTIR-ATR prediction in the spectral region with an absorption maximum at 1171 cm -1 .

2.

Residuals of FTIR-ATR prediction in the spectral region with an absorption maximum at 1171 cm -1 .

3.

Residuals of FTIR-ATR prediction in the spectral region with an absorption maximum at 1171 cm -1 .