FLUOROTRICHLOROMETHANE
CCl3F
MW: 137.37
METHOD: 1006, Issue 2
CAS: 75-69-4
1006
RTECS: PB6125000
EVALUATION: FULL
OSHA : C 1000 ppm NIOSH: C 1000 ppm ACGIH: C 1000 ppm (1 ppm = 5.62 mg/m 3 @ NTP)
PROPERTIES:
Issue 1: 15 August 1987 Issue 2: 15 August 1994
liquid; d 1.53 g/mL @ 0 C; BP 23.8 C; MP -111 °C; VP 92 kPa (690 mm Hg; 91% v/v) @ 20 C; not combustible
SYNONYMS: Freon 11; trichlorofluoromethane; monofluorotrichloromethane
SAMPLING SAMPLER:
SOLID SORBENT TUBE (coconut shell charcoal, 400 mg/200 mg)
MEASUREMENT TECHNIQUE:
GAS CHROMATOGRAPHY, FID
ANALYTE:
fluorotrichloromethane
DESORPTION:
5 mL CS 2; stand 30 min
INJECTION VOLUME:
5 µL
FLOW RATE: 0.01 to 0.05 L/min VOL-MIN: -MAX:
0.3 L 7L
SHIPMENT:
refrigerate
SAMPLE STABILITY:
quantitative recovery after 8 days @ 25 C [1]
TEMPERATURE-INJECTOR: -DETECTOR: -COLUMN:
175 °C 220 °C 65 °C
BLANKS:
2 to 10 field blanks per set
CARRIER GAS:
nitrogen, 30 mL/min
COLUMN:
6 m x 3-mm OD stainless steel packed with 10 % FFAP on 100/120 Chromosorb WHP.
CALIBRATION:
standard solutions of analyte in CS 2
RANGE:
2 to 40 mg per sample
ACCURACY RANGE STUDIED:
2390 to 10500 mg/m 3 [1] (4-L samples)
BIAS:
- 2.66%
ESTIMATED LOD: 0.01 mg per sample
ˆ ): 0.072 [1] OVERALL PRECISION (S rT ACCURACY:
± 16.08%
PRECISION (Sr):
0.063 @ 11 to 32 mg per sample [1]
APPLICABILITY: The working range is 90 to 1800 ppm (500 to 10000 mg/m 3) for a 4-L air sample.
INTERFERENCES: None identified. The chromatographic column or separation conditions may be changed to circumvent interference problems.
OTHER METHODS: This revises Method S102 [2].
NIOSH Manual of Analytical Methods (NMAM), Fourth Edition, 8/15/94
