IATT - Application Guide

GAS CHROMATOGRAPHY
Instrument	Gas used	Purity	Flow rate	Product
GC - FID	Hydrogen for detector	Hydrogen high purity	30 to 50 mL/min	Hydrogen
	Zero air for detector	Without hydrocarbon	300 to 500 mL/min	Air Zero
	Hydrogen for Carrier gas	Hydrogen high purity	10 mL/min	Hydrogen
	Nitrogen for Carrier gas	Nitrogen high purity, Zero N2	20 to 50 mL/min	Nitrogen
	Nitrogen for Make-up	Nitrogen high purity, Zero N2	30 to 50 mL/min	Nitrogen
GC - FPD	Hydrogen for detector	Hydrogen high purity	60 to 90 mL/min	Hydrogen
	Zero air for detector	Without hydrocarbon	90 to 120 mL/min	Zero Air
	Hydrogen for Carrier gas	Hydrogen high purity	10 mL/min	Hydrogen
	Nitrogen for Carrier gas	Nitrogen high purity, Zero N2	20 to 50 mL/min	Nitrogen
	Nitrogen for Make-up	Nitrogen high purity, Zero N2	30 to 50 mL/min	Nitrogen
GC - NPD	Hydrogen for detector	Hydrogen high purity	50 mL/min	Hydrogen
	Nitrogen for Carrier gas	Nitrogen high purity, Zero N2	20 to 50 mL/min	Nitrogen
	Nitrogen for Make-up	Nitrogen high purity, Zero N2	30 to 50 mL/min	Nitrogen
GC - ECD	Nitrogen for Carrier gas	Nitrogen high purity, Zero N2	30 mL/min	Nitrogen
	Nitrogen for Make-up	Nitrogen high purity, Zero N2	60 mL/min	Nitrogen
GC - TCD	Hydrogen for Carrier gas	Hydrogen high purity	100 mL/min	Hydrogen
	Nitrogen for Carrier gas	Nitrogen high purity	100 mL/min	Nitrogen
GC - FPC	Nitrogen for Make-up	Nitrogen high purity, Zero N2	30 to 50 mL/min	Nitrogen
GC - ATD	Zero air	-0,05ppm hydrocarbons	< 2 L/min	Zero Air
GC - AED	Nitrogen for Carrier gas	Nitrogen high purity, Zero N2	< 1 L/min	Nitrogen
GC - ELCD	Hydrogen for reaction gas	Hydrogen high purity	70 to 200 mL/min	Hydrogen
GC - IR	Air without CO2 for FT-IR	Dry air without CO2	14 to 85L/min	Dryer without CO2
GC - MS	Carrier gas	Nitrogen or hydrogen high purity	-	Zero Nitrogen or Hydrogen
FAST - GC	Hydrogen high pressure	Hydrogen high pressure	-	Hydrogen

 

ANALYSERS
Instrument	Gas used	Purity	Flow rate	Product
COT	Dry air or nitrogen for carrier gas and combustion gas	CO2-free dry air, without hydrocarbon	100 to 700 mL/min	Air TOC series
		High purity nitrogen	50 to 700 mL/min	Nitrogen
CO2 Analyser	Calibration	CO2-free dry air, without hydrocarbon	550 to 1000 mL/min	UZAG or Air TOC series
DSC	Dry air	Dry air	100 mL/min	Air Dryer
	Curtain gas	High purity nitrogen	100 mL/min	Nitrogen
TGA	Dry air or Nitrogen for furnace	Nitrogen : 99.5%-3b or dry Air	4-200 mL/min	Air Dryer, Nitrogen
DMA	Dry air or Nitrogen for furnace and drive bearings	High purity nitrogen or dry air	-	Air Dryer, Nitrogen
THA	Hydrogen and Zero air for FID detector	Hydrogen and air without hydrocarbon	-	Zero Air and Hydrogen
TMA	Nitrogen for furnace	High purity nitrogen	<1L/min	Nitrogen
TOD	-	High purity nitrogen	<600ml/min	Nitrogen

 

LMCS
Instrument	Gas used	Purity	Flow rate	Product
LCMS / MS, TOF	Nitrogen for curtain gas	99%	Up to 64 L/min (Depending on LCMS models)	Nitrogen
AB SCIEX	Curtain Gas	Nitrogen only	Curtain Gas : 12 L/min @ 5.52 bar	Nitrogen
	Source Gas	Nitrogen only	Source Gas : 24 L/min @ 7.58 bar	Nitrogen
	Exhaust Gas	Nitrogen only	Exhaust Gas : 8 L/min @ 4.14 bar	Nitrogen
	Curtain Gas	Nitrogen and dry air	Curtain Gas (Nitrogen) 12 L/min @ 5.52 bar	-
	Source Gas	Nitrogen and dry air	Source Gas (Dry Air) 24 L/min @ 7.58 bar	-
	Exhaust Gas	Nitrogen and dry air	Exhaust Gas (Dry Air) 8 L/min @ 4.14 bar	-

 

SPECTROSCOPY
Instrument	Gas used	Purity	Flow rate	Product
FT-IR	Purge gas for sample compartment, optics, air bearing and microscope	Dry Air without CO2	15 to 85 L/min	CO2 Removal Air Dryer
RMN	Air for lifting spinning and ejecting	Dry Air	300 L/min	Dry Air
ICP	Nitrogen or Zero Nitrogen for purge gas	> 99,9995 %	1 to 9 L/min	Nitrogen
ICP-MS	Collision gas in plasma chamber	> 99,99999 %	80 ml/min	Hydrogen
AA	Air for oxidant gas	Dry Air	28 to 200 L/min	Air Dryer

 

DETECTORS
Instrument	Gas used	Purity	Flow rate	Product
CORONA	Nitrogen	98%	Up to 6 L/min	Nitrogen
ELSD	Air for nebulisation	Dry air	2-6 L/min	Dryer
	Nitrogen for nebulisation	Nitrogen	4 –8 L/min	Nitrogen

 

OTHER APPLICATIONS
Instrument	Gas used	Purity	Flow rate
Solvent evaporation	Nitrogen for solvent evaporation from 95 % to 99 %	Approx. 130 L/min	Nitrogen
TurboVaps	Air for pneumatic control	28 L/min	Dry Air
	Nitrogen for auto-sampler	550 mL/min	Nitrogen
Circular dichroism	Nitrogen @ 99.999 %	up 15 L/min	Nitrogen
Laser Diffraction	Clean and dry air for nebulizing gas	Depend on model	Air Dryer
Hydrogenation	Hydrogen	Depend on model	Hydrogen
Glove box / cover	Nitrogen or dry air	Depend on model	Nitrogen or Dry Air
Fuel cells	Hydrogen High purity	Depend on model	Hydrogen
Rheometer	Dry Air	Depend on model	Dry Air
ASE DIONEX	Nitrogen @ 10 bars	20 L/min	Nitrogen