METHYLTIN CHLORIDES Formula: Table 1
MW: Table 1
METHOD: 5526, Issue 1
CAS: Table 1
RTECS: Table 1
EVALUATION: FULL
Issue 1: 15 March 2003
PROPERTIES: See Table 1
OSHA : See Table 1 NIOSH: See Table 1 ACGIH: See Table 1 SYNONYMS:
5526
Methyltin Trichloride: Trichloromethylstannane, Monomethyltin trichloride Dimethyltin Dichloride: Dichlorodimethylstannane, Dichlorodimethyltin Trimethyltin Chloride: Chlorotrimethylstannane, Chlorotrimethyltin, Trimethylstannyl chloride SAMPLING
SAMPLER:
FILTER + SORBENT TUBE (OVS Tube: 13-mm glass fiber filter; XAD-2, 270/140 mg)
FLOW RATE:
0.25 to 1 L/min
VOL -MIN: -MAX:
15L 75L
SHIPMENT:
Ship assembled sampler cold
SAMPLE STABILITY:
14 days @ 4 °C
FIELD BLANKS:
2 to 10 field blanks per set
ACCURACY
MEASUREMENT TECHNIQUE:
GAS CHROMATOGRAPHY, FPD (tinspecific filter)
ANALYTE:
Sodium tetraethylborate derivatives of the analytes
DESORPTION:
2 mL 1% acetic acid in acetonitrile
INJECTION VOLUME:
1 :L
TEMPERATURE -INJECTION: -DETECTOR: -COLUMN:
Cool-on-column 250 °C 50 °C (3min), 12°C/min to 200°C (1min)
CARRIER GAS:
He, 6 mL/min
COLUMN:
Capillary, fused silica, 30m x 0.53mm ID, 1.5-:m film, 5% phenyl, 95% methyl silicone, DB-5 or equivalent.
RANGE STUDIED:
Table 2
BIAS:
Table 2
CALIBRATION:
Analytes in hexane
OVERALL PRECISION (Ö r T ):
Table 2
RANGE:
0.01 to 15 :g/sample (as tin) [1]
ACCURACY:
Table 2
ESTIMATED LOD: 0.01 :g [1] PRECISION ( þ r ):
0.065 [1]
APPLICABILITY: This method was developed for air monitoring of methyltin chlorides.[1]
INTERFERENCES: None were identified.
OTHER METHODS: NMAM 5504 is another method for the measurement of organotin compounds using a filter with a sorbent tube for collection and HPLC/AA for analysis [3].
NIOSH Manual of Analytical Methods (NMAM), Fourth Edition
