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Table 4 Case study object spectral matches for polymer identification

From: Non-invasive identification of polymers in cultural heritage collections: evaluation, optimisation and application of portable FTIR (ATR and external reflectance) spectroscopy to three-dimensional polymer-based objects

ObjectBruker ATR-FTIR Complete Librarya
Hit quality clamped (handheld)
Reference Sheetsb
ATR % match clamped (handheld)
Reference Sheetsb ER % matchWorkshop Samplesc
ATR % match clamped, (handheld)
ResinKit™
ATR % match clamped, (handheld)
LiteraturedIRUG database ATR
PS Jelly Mould875 (837)96.42
(93.72)
92.3599.24
(98.19)
99.51
(94.25)
A: p.266
B: p.18
ISR00031 ISR00125
PVC Lamp Cable86.13
(79.97)
78.4388.68
89.43
(85.50)
A: p.270
B: p.19
ISR00155 ISR00063
PUR Padding899 (864)99.03
(83.10)
93.6799.08
(95.54)
A: p.268
B: p.19
ISR00157
PP Goblet921 (847)98.78
(96.58)
71.0199.66
(97.22)
98.13
(94.15)
A: p.265
B: p.15
ISR00058
PF Ashtray97.24
78.0995.88
A: p.259
B: p.10
PC Flash Screen868 (905)99.39
(92.97)
96.2599.73
(99.37)
99.73
(94.39)
A: p.261
B: p.11
ISR00122
MF Canister Lid99.35
(99.04)
94.8596.48*UF
(95.06)
B: p.8
PE Bottle Lid911 (900)99.22
(96.20)
73.8598.15
(97.36)
98.51
(96.60)
A: p.262
B: p.13
ISR00077 ISR00135
ABS Camera Body770 (795)81.35
(86.63)
68.3194.25
(94.88)
94.41
(94.89)
B: p.3ISR00095
PMMA Knife Handle909 (866)99.22
(95.47)
88.4999.27
(98.67)
98.84
(98.53)
A: p.264
B: p.5
ISR00080 ISR00081
PA Light Meter Screen884 (876)94.62
(94.65)
89.9697.63
(96.65)
97.37
(97.82)
A: p.260
B: p.9
ISR00126 ISR00136
CA Sunglasses937 (901)98.35
(98.04)
74.02NA—mislabeled?97.06
(93.01)
A: p.256
B: p.6
ISR00154 ISR00064
CSF Buckle876 (880)97.56
(97.09)
73.2598.55
(98.45)
B: p.5
Polyester Buttons787 (−)75.88
(49.02)
21.2796.05 *GRP
A: p.263
B: p.8
ISR00145 ISR00158
CN Vanity Box902 (814)98.90
(90.03)
92.7799.37
(98.42)
A: p.257
B: p.7
ISR00004 ISR00066
Total positive identifications:12/15 (11/15)15/15
(13/15)
14/1513/15
(11/15)
9/15
(9/15)
A: 12/15
B: 15/15
12/15
  1. aNumber = hit quality out of 1000
  2. bTable 2
  3. cTable 3
  4. dA = Shashoua [32] (absorbance); B = Saviello et al. [15] (absorbance and reflectance)