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205M

1108

Oxygen Combustion Vessel

Operating Instruction Manual

Summary of Contents for 1108

Page 1: ...205M 1108 Oxygen Combustion Vessel Operating Instruction Manual...

Page 2: ...very Procedure 7 Samples and Sample Holders Particle Size and Moisture Content 8 Combustion Aids 8 Sample Pellets 8 Combustion Capsules 8 Foodstuffs and Cellulosic Materials 9 Coarse Samples 9 Corrosi...

Page 3: ...nstructions carefully in order to obtain a complete understanding of the capabilities and limitations of an 1108 Oxygen Combustion Vessel and to be well aware of the pre cautions to be observed in its...

Page 4: ...ications Parr offers the 1108CL Oxygen Combustion Vessel described below It should be noted that all instructions for the 1108 apply equally to the 1108CL as well A Chlorine Resistant Bomb The 1108CL...

Page 5: ...flame emerging from it will not impinge directly on the tip of the straight electrode Liquids in the Bomb Most combustion procedures call for a small amount of liquid to be placed in the bottom of the...

Page 6: ...ng Filling the Bomb The instructions below de scribe a manual system us ing the 1825 Oxygen Filling Connection furnished with other Parr apparatus Oxygen for the bomb can be drawn from a standard comm...

Page 7: ...stand Do not twist the head during removal Pull it straight out to avoid sticking Examine the interior of the bomb for soot or other evidence of incomplete combustion If such is found the test will h...

Page 8: ...st be added in a pellet form 2 gm pellets Never combust benzoic acid in powder form Sample Pellets One of the most useful techniques for handling powdered samples is to compress the material into a ta...

Page 9: ...h sulfur samples or with samples contain ing over 20 mg of chlorine may corrode the metal surfaces and produce a dull film on the inner walls of the bomb Materials containing appreciable amounts of ca...

Page 10: ...ent collapse of the disc when pres sure is applied Fill the bomb with oxygen to the usual charging pressure but add oxygen slowly so that the tape will not collapse into the cup Fire the bomb and comp...

Page 11: ...r condition sometimes causes spalling and the ejection of unburned fragments 5 The use of an ignition current too low to ignite the charge or too high causing the fuse to break before combustion is un...

Page 12: ...A valve needle assembly with the needle pointed up ward then adjust the parts on the needle so that the tip of the needle is flush with or slightly recessed into the bottom of the packing cup Insert t...

Page 13: ...the resistance of the metal to further attack can be improved by restoring the surface to its original highly polished condition Bombs needing repolishing or other repair work can be returned to the...

Page 14: ...Maintenance Checklist Refer to page 12 13 16 17 of the 1108 Operating Instruction Manual for assembly instructions and parts diagram 500Test Maintenance Replace the following Date Date Date Date 410A...

Page 15: ...Notes w w w p a r r i n s t c o m 15...

Page 16: ...Spacer 13 SC1932SC10 Socket Head Set Screw 14 278A3 Adapter Bushing 15 404A2 Deflector Nut 16 406A Lock Nut 17 5A10 Loop Electrode with Sleeve 18 4A10 Straight Electrode with Sleeve 19 401A Sleeve Ins...

Page 17: ...i n s t c o m 17 Parts for the 1108 Oxygen Combustion Vessel 1 3 10 30 28 9 19 A A A A 2 4 5 6 8 7 11 9 29 7 7 27 26 25 24 23 13 12 15 20 21 22 18 15 14 16 17 PROPRIETARY NEITHER THE DRAW NOR INFORMA...

Page 18: ...tion A1673E2 Kit Electric Parts for 2901EB EE 1203EEE Cord 10A 220V Cont Europe Plug 1202EEE Cord 13A 220V BS Plug 2000E Transformer 120 240 VAC 24V XB0010 1 8ID ShrinkTubing Black 34E2 Cord w 115VAC...

Page 19: ...e seat PCTFE 21VBBB Lantern ring brass 53A Oxygen gage 3 1 2 0 60 atm 112VB4AK Valve needle 124VB Union nipple brass CGA540 A140VB Toggle relief valve A150VB Valve knob 188A2 Filling connection body b...

Page 20: ...Revision 08 26 13...

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