Transcription of ETHYL ETHER 1610 - Centers for Disease Control and …
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ETHYL ETHER 1610 - Centers for Disease Control and …
NIOSH Manual of Analytical Methods (NMAM), Fourth EditionETHYL ETHER1610(C2H5)2 OMW: : 60-29-7 RTECS: KI5775000 METHOD: 1610, Issue 3 EVALUATION: FULL Issue 1: 15 May 1985 Issue 3: 15 March 2003 OSHA : 400 ppmNIOSH: no RELACGIH: 400 ppm; STEL 500 ppm (1 ppm = mg/m3 @ NTP)PROPERTIES:liquid; d g/mL @ 20 oC; BP oC;MP - 116 oC; VP 59 kPa (440 mm Hg; 58%v/v) @ 20 oC; explosive range to 48% v/vin airSYNONYMS: diethyl ETHER ; 1,1'-oxybisethane; ETHYL oxideSAMPLINGMEASUREMENTSAMPLER:Solid Sorbent Tube(coconut shell charcoal, 100 mg/50 mg)FLOW to L/minVOL- L @ 400 ppm -MAX:3 LSHIPMENT:routineSAMPLESTABILITY:14 days @ 5 oCBLANKS:2 to 10 field blanks per setTECHNIQUE:GAS CHROMOTOGRAPHY, FIDANALYTE: ETHYL mL CS2; 30 min with agitationINJECTIONVOLUME:1 LTEMPERATURE:-INJECTION:250 oC-DETECTOR:300 oC-COLUMN:35 oC (1 min) - 150 oC @ 10 oC/minute,(split 5:1)CARRIER GAS:helium (1-2 mL/min)COLUMN:capillary, fused silica 30 m x ; 1-:m film 100% dimethylpolysiloxane, Rtx-1 or equivalentCALIBRATION:solutions of ETHYL ETHER in CS2 RANGE:2 to 430 g per sample (capillarycolumn); 1800 to 7100 g per sample(packed column)ESTIMATED g per samplePRE
ETHYL ETHER: METHOD 1610, Issue 3, dated 15 M arch 2003 - Page 3 of 4 NIOSH Manual of Analytical Methods (NMAM), Fourth Edition 9. Determine desor ption efficiency (DE) at least once for each lot of charcoal used for sampling in the
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