TERPENES: METHOD 1552, Issue 1, dated 15 May 1996 - page 4 of 4
[5]
Kauppinen T[1986]. Occupational exposure to chemical agents in the plywood industry. Ann Occup Hyg 30:19-29.
METHOD WRITTEN BY: Stephanie M. Pendergrass, MRSB/DPSE
TABLE 1. TERPENES GENERAL INFORMATION Analyte
CAS #
RTECS #
Properties
limonene (d- & l-)
138-86-3
OS8100000
liquid; d 0.84 g/mL @ 20 C; BP 175 to 178 C; FP -95.5 C; RI 1.474 @ 20 C; vp 0.280 kPa (2.1 mm Hg) @ 20 C; vapor density (air=1) 4.7
-pinene
80-56-8
DT7000000
liquid; d 0.8592 g/mL @ 20 C; BP 156 to 160 C; FP -40 C; RI 1.4663 @ 20 C
-pinene
127-91-3
DT5077000
liquid; d 0.8654 g/mL @ 20 C; BP 164 to 166 C; RI 1.4739 @ 21 C
3-carene
13466-78-9
FH8400000
liquid; d 0.8668 g/mL @ 15 C; BP 168 to 169 C; RI 1.4723 @ 20 C
TABLE 2. TERPENE DATA FROM SPIKED SAMPLES
a b
Analyte
n
Recovery (%)
Precision ( r)a
LOD (µg/sample)
Stability - 30 Day storage b (% Recovery) (S) r
limonene
18
94.9
0.019
0.4
93.2
0.029
3-carene
18
95.4
0.015
0.3
89.0
0.031
-pinene
18
93.4
0.016
0.6
92.2
0.093
-pinene
18
97.6
0.019
0.4
95.4
0.045
Pooled relative standard deviation for 6 samples at each of 3 concentration levels. Relative standard deviation for 6 samples.
NIOSH Manual of Analytical Methods (NMAM), Fourth Edition
