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HJ639-2012 Water Quality - Determination of Volatile Organic Compounds - Purge Trap/Gas Chromatography, Mass Spectrometry,
HJ686-2014 Water Quality - Determination of Volatile Organic Compounds - Purge Trap/Gas Chromatography - Mass Spectrometry
Sample bottle | Number of sample bottles: 64; Sample bottle volume: 40mL (37.5 * 100) |
Purging pipe | Standard purging pipe: 5mL filtered purging pipe (neck size 18mm); Optional purging pipe: 25mL filtered purging pipe (neck size 18mm) |
Trap trap | Standard trap: 10 # (Tenax/silica gel/carbon molecular sieve); Traps can be equipped first: 0 # (empty), 7 # (Tenax), 8 # (Tenax/silica gel), 9 # (Tenax/silica gel/charcoal) |
Other | Heat rate: ≤ 1800 ºC/min; Cooling rate: 50 ºC/min, which can be cooled from 200 ºC to 30 ºC within 50 seconds; Low cooling temperature: room temperature+1 ºC |
Temperature range | Trap trap: During the analysis and baking stages, the room temperature is up to 450 ºC (depending on the type of trap selected); Water processor: room temperature+1 ºC to 270 ºC; Temperature of six-way valve: room temperature+1 ºC to 350 ºC; Sample bottle fixing temperature: room temperature+1 ºC to 200 ºC; Transfer tube temperature: room temperature+1 ºC to 295 ºC |
Time frame | 0.00 to 999min |
Timing error | <0.1% |
Gas circuit withstand voltage | ≤0.4MPa |
Cleaning times | 0 to 15 |
communication | Output start signal: Two independent external start signals can be output, which are triggered at the beginning of analysis; Communication interface: RS232 serial port connection is adopted for communication between computers |
Supply voltage | 220V±10% 50/60Hz |
high-power | 800W |