Microbeads in toiletries: method 445.0 : chapter 3

Appendix 3. Infrared radiation spectra of common plastics

Figure 1. Nylon infrared radiation (IR) spectrum

Nylon IR spectrum. See below for long description.

Long description for figure 1

Figure 1 is a graphic indicating the infrared radiation spectrum for nylon. The peaks are indicated in the data table below.

Nylon IR spectrum peaks
Peak number	X axis (cm-1)	Y axis (% T)
1	3299.31	61.06
2	3074.67	90.95
3	2933.15	67.80
4	2859.71	76.96
5	1632.23	26.15
6	1533.78	30.15
7	1473.85	64.01
8	1464.01	62.48
9	1416.91	63.71
10	1371.08	67.83
11	1273.35	61.08
12	1198.89	63.02
13	1139.29	78.41
14	934.78	78.78
15	685.39	54.97
16	578.35	55.85
17	533.14	70.76

Figure 2. Polycarbonate (PC) IR spectrum

Polycarbonate (PC) IR spectrum. See long description below.

Long description for figure 2

Figure 2 is a graphic indicating the infrared radiation spectrum for polycarbonate. The peaks are indicated in the data table below.

Polycarbonate (PC) IR spectrum peak table
Peak number	X axis (cm-1)	Y axis (%T)
1	3041.43	95.65
2	2968.78	82.09
3	1769.77	30.73
4	1601.92	91.01
5	1503.95	42.09
6	1464.95	84.98
7	1409.38	83.48
8	1386.85	88.35
9	1364.65	83.68
10	1290.82	81.31
11	1218.82	14.26
12	1186.98	6.47
13	1158.99	5.54
14	1102.98	52.29
15	1080.02	33.99
16	1013.83	26.06
17	918.92	83.91
18	887.20	65.18
19	828.69	40.29
20	767.54	58.67
21	706.81	73.38
22	633.72	85.76
23	554.04	44.88

Figure 3. Polyethylene (PE, HDPE) IR spectrum

Polyethylene (PE, HDPE) IR spectrum. See long description below.

Long description for figure 3

Figure 3 is a graphic indicating the infrared radiation spectrum for polyethylene. The peaks are indicated in the data table below.

Polyethylene (PE, HDPE) IR spectrum peak table
Peak number	X axis (cm-1)	Y axis (%T)
1	2915.24	37.01
2	2847.97	40.01
3	1472.73	73.89
4	1462.54	72.16
5	730.25	75.74

Figure 4. Poly(methylmethacrylate) (PMMA) IR spectrum

Poly(methylmethacrylate) (PMMA) IR spectrum. See long description below.

Long description for figure 4

Figure 4 is a graphic indicating the infrared radiation spectrum for poly(methylmethacrylate). The peaks are indicated in the data table below.

Poly(methylmethacrylate) (PMMA) IR spectrum peak table
Peak number	X axis (cm-1)	Y axis (%T)
1	2994.40	93.81
2	2950.96	90.39
3	1723.65	52.07
4	1435.04	77.90
5	1386.49	88.66
6	1239.11	71.59
7	1190.30	64.57
8	1143.20	47.27
9	986.93	79.18
10	840.58	84.95
11	750.70	81.42
12	481.39	89.08

Figure 5. Polypropylene (PP) IR spectrum

Polypropylene (PP) IR spectrum. See long description below.

Long description for figure 5

Figure 5 is a graphic indicating the infrared radiation spectrum for polypropylene. The peaks are indicated in the data table below.

Polypropylene (PP) IR spectrum peak table
Peak number	X axis (cm-1)	Y axis (%T)
1	3059.92	92.37
2	3025.47	87.26
3	2921.26	85.03
4	2849.39	91.42
5	1601.02	87.08
6	1492.61	73.62
7	1451.76	73.08
8	1371.31	91.5
9	1181.08	91.79
10	1154.39	91.6
11	1068.57	89.89
12	1027.82	84.48
13	906.19	88.72
14	841.50	93.75

Figure 6. Polystyrene (PS) IR spectrum

Polystyrene (PS) IR spectrum. See long description below.

Long description for figure 6

Figure 6 is a graphic indicating the infrared radiation spectrum for polystyrene. The peaks are indicated in the data table below.

Polystyrene (PS) IR spectrum peak table
Peak number	X axis (cm-1)	Y axis (%T)
1	3059.92	92.37
2	3025.47	87.26
3	2921.26	85.03
4	2849.39	91.42
5	1601.02	87.08
6	1492.61	73.62
7	1451.76	73.08
8	1371.31	91.5
9	1181.08	91.79
10	1154.39	91.6
11	1068.57	89.89
12	1027.82	84.48
13	906.19	88.72
14	841.50	93.75
15	753.97	64.13
16	695.05	20.85
17	620.81	88.32
18	537.8	64.88

Figure 7. Polytetrafluoroethylene (Teflon) (PTFE) IR spectrum

Polytetrafluoroethylene (Teflon) IR Spectrum. See long description below.

Long description for figure 7

Figure 7 is a graphic indicating the infrared radiation spectrum for polytetrafluoroethylene. The peaks are indicated in the data table below.

Polytetrafluoroethylene (Teflon) (PTFE) IR spectrum peak table
Peak number	X axis (cm-1)	Y axis (%T)
1	1200.58	17.59
2	1145.76	5.20
3	773.05	92.86
4	719.97	90.07
5	638.36	61.96
6	625.71	63.16
7	553.90	58.77
8	503.65	23.19

Figure 8. Polyvinylchloride (PVC) IR spectrum

Polyvinylchloride (PVC) IR spectrum. See long description below.

Long description for figure 8

Figure 8 is a graphic indicating the infrared radiation spectrum for polyvinylchloride. The peaks are indicated in the data table below.

Polyvinylchloride (PVC) IR spectrum peak table
Peak number	X axis (cm-1)	Y axis (%T)
1	2916.29	80.62
2	2849.41	87.24
3	1733.49	93.81
4	1425.80	76.74
5	1377.91	88.96
6	1328.41	88.08
7	1243.89	83.15
8	1096.47	89.20
9	966.92	86.03
10	877.02	85.08
11	684.63	83.72
12	611.46	73.20

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Date modified:: 2022-12-15