Page:NIOSH Manual of Analytical Methods - 1402.pdf/1

 ALCOHOLS III

Table 1

MW: Table

METHOD: 1402, Issue 2

CAS: Table 2

1402

RTECS: Table 2

EVALUATION: PARTIAL

OSHA : Table 2 NIOSH: Table 2 ACGIH: Table 2

Issue 1: 15 February 1984 Issue 2: 15 August 1994

PROPERTIES: Table 1

COMPOUNDS (1) allyl alcohol: and (2) diacetone alcohol: SYNONYMS: (3) cyclohexanol: (4) isoamyl alcohol: (5) methyl isobutyl carbinol:

2-propen-1-ol; 2-propenol; vinyl carbinol. 4-hydroxy-4-methyl-2-pentanone; 2-methyl-2-pentanol-4-one. hexalin; hydralin; hydroxycyclohexane; anol. 3-methyl-1-butanol; isobutylcarbinol; isopentyl alcohol. MIBC; 4-methyl-2-pentanol; methyl amyl alcohol.

SAMPLING

MEASUREMENT

SAMPLER:

SOLID SORBENT TUBE (coconut shell charcoal, 100 mg/50 mg)

FLOW RATE:

0.01 to 0.2 L/min

VOL-MIN: -MAX:

1L 10 L

SHIPMENT:

routine

TECHNIQUE:

GAS CHROMATOGRAPHY, FID

ANALYTE:

compounds above

DESORPTION:

1 mL 5% 2-propanol in CS 2; 30 min

INJECTION VOLUME:

5 µL

SAMPLE STABILITY:

unknown; store in freezer

TEMPERATURE-INJECTION: -DETECTOR: -COLUMN:

BLANKS:

2 to 10 field blanks per set

CARRIER GAS:

N 2 or He, 30 mL/min

COLUMN:

glass, 3 m x 2-mm ID, 10% SP-1000 on 80/100 mesh Supelcoport or equivalent

CALIBRATION:

solutions of analyte in eluent (internal standard optional)

ACCURACY RANGE STUDIED:

see EVALUATION OF METHOD

BIAS:

see EVALUATION OF METHOD

ˆ ): OVERALL PRECISION (S rT METHOD ACCURACY:

see EVALUATION OF

RANGE AND PRECISION:

200 °C 250-300 °C 80-120 °C

see EVALUATION OF METHOD

ESTIMATED LOD: 0.01 mg per sample [2]

± 20%

APPLICABILITY: The working range is 1 to 10 mg/m 3 for allyl alcohol (other analytes range from 45 to 140 mg/m 3 at low end and 175 to 680 mg/m 3 at high end of working ranges) for a 10-L air sample. This method may be used to determine two or more analytes simultaneously by varying GC conditions (e.g., temperature programming).

INTERFERENCES: High humidity reduces sampling capacity. The methods were validated using a 3 m x 3-mm stainless steel column packed with 10% FFAP on Chromosorb W-AW; other columns with equal or better resolution (e.g., capillary) may be u sed. Less volatile compounds may displace more volatile compounds on the charcoal.

OTHER METHODS: This method combines and replaces Methods S52, S55, S54, S58 and S60 [3].

NIOSH Manual of Analytical Methods (NMAM), Fourth Edition, 8/15/94