ຮັບສ່ວນຫຼຸດພິເສດຕາມປະລິມານ, ອັບເດດລາຄາຂາຍສົ່ງ ແລະ ການແຈ້ງເຕືອນສິນຄ້າໃໝ່ສົ່ງກົງເຖິງອິນບັອກຂອງທ່ານ.
ໂດຍການສະໝັກສະມາຊິກ, ທ່ານຍອມຮັບ ເງື່ອນໄຂການໃຫ້ບໍລິການ ແລະ ນະໂຍບາຍຄວາມເປັນສ່ວນຕົວ ຂອງພວກເຮົາ.
ເຂົ້າເຖິງຜູ້ຊ່ຽວຊານທີ່ໄດ້ຮັບການຢັ້ງຢືນຂອງພວກເຮົາໂດຍກົງ
Gas Chromatograph
GC column: DB-1, 0.32 mm ID, 30 m, 4.0 μm df or equivalent
Valves: Stainless steel body/Teflon diaphragm
Heated zones – maximum temperature: Three independent heated zones:
• Column 200°C
• Valves 60°C
• Detector oven 110°C
Temperature programmable column module: 55–200°C
Carrier gas: Argon 99.999% @ 414–689 kPa (60–100 psi)
Variable column pressure control: Regulator pre-set to 90 psi
Sample inlet: Continuous water monitoring SituProbe (dynamic purge and trap)
Concentrator: Tri-Bed
Micro Argon Ionization Detector (MAID)
Sensitivity: 0.5 ppb benzene in water, s/n >200:1; 0.5 ppb MTBE in water, s/n >15:1
Ionization source: Ni-63 2.4 mCi
Repeatability: Five replicates of 1 ppb benzene: RSD calculated <5%
Temperature: 110°C (maximum)
Dynamic range: Three decades
Detection limit: ppb to ppt for most analytes
Physical Operating Requirements
Size: 43 x 83 x 26 cm (16.9 x 32.7 x 10.2 in.)
Weight: 25 kg (55.1 lb.)
Power requirement:100–240 V (ac) 200 watts maximum
Temperature: 5–45°C
Relative humidity: 5–95%
