Linde (Thailand) Public Company Limited

Site

Wellgrow Operation Center

Accreditation No.

9864

Site No.

9857

Date of Accreditation

09 May 1995

Address

105 Moo 5, TAMBOL BANGSAMAK, Ampur Bangpakong, CHACHOENGSAO 24180
0
Thailand

linde.co.th

Contact

Ms Sukanya Parinyasoontorn P: 66 38570490

Availability

Services conditionally available to external clients

Scope of Accreditation

Print scopes
Wellgrow Operation Center

ISO/IEC 17025 (2017)

Calibration

  • The uncertainty of measurement is reported as an expanded uncertainty having a level of confidence of 95% unless stated otherwise
Service Product Determinant Technique Procedure Limitations
Chemical metrology - Characterisation of gases Gas blends Concentration Comparison measurement by instrumentation
GAS
METHODS
ArgonIn-house SG-A01; SG-A-02; ACC-A-01; ACC-LA-01
Carbon dioxideIn-house SG-GC-03; SG-CO-04; SG-LA-01; I-PB-352; ACC-LA-01
Carbon disuflideIn-house ACC-SCD-01
Carbon monoxideIn-house ACC-HID-01; ACC-TCD-03; ACC-MET-01; SG-CO-01; SG-CO-02; SG-CO-03; SG-LA-02; I-PB-352; ACC-LA-01
Carbonyl sulfideIn-house ACC-SCD-01
EthanolIn-house ACC-OX-01
Ethylene oxideIn-house SG-ETO-02
Ethyl mercaptanIn-house ACC-SCD-01
Helium In-house SG-He-01; ACC-O-01
Hydrocarbons - C2 to C6In-house ACC-FID-01; ACC-TCD-04; ACC-RGA-01; SG-HC-04; SG-HC-05; SG-HC-06; SG-HC-07; SG-HC-09; SG-HC-10; ACC-FID-02
Hydrocarbons - totalIn-house I-PB-338
HydrogenIn-house ACC-TCD-01; ACC-HID-01; SG-H-01; SG-H-02; SG-H-03; SG-LA02; ACC-HID-02; ACC-H-01
KryptonIn-house SG-Kr-01; ACC-O-01
MethaneIn-house I-PB-352; ACC-TCD-02; ACC-FID-01; ACC-MET-01; ACC-RGA-01; SG-CO-02; SG-HC-02; SG-HC-03; ACC-LA-01
MethanolIn-house ACC-OX-01
Methyl mercaptanIn-house ACC-SCD-01
NitrogenIn-house ACC-TCD-02; ACC-HID-01; SG-LA-02; SG-N-01; SG-N-03; SG-N-04; SG-N-05; ACC-LA-01; ACC-O-01
Nitrogen oxideIn-house I-PB-352
OxygenIn-house I-PB-303; ACC-HID-01; SG-N-05; SG-O-01; SG-O-02; ACC-TCD-02; I-PB-39; ACC-LA-01; ACC-O-01
PropaneIn-house I-PB-352
Sulfur compoundsIn-house ACC-SCD-01
Sulfur dioxideIn-house  I-PB-352
Water vapourIn-house I-PB-311
GAS
TECHNIQUE
RANGE
ArgonGC1 mmol/mol to 0.8 mol/mol
Carbon dioxideGC0.5 μmol/mol to 0.5 mol/mol
Carbon dioxideNDIR5 mmol/mol to 0.2 mol/mol
Carbon dioxideFTIR3 mmol/mol to 0.2 mol/mol
Carbon monoxideGC0.5 μmol/mol to 0.5 mmol/mol
Carbon monoxideFTIR0.1 μmol/mol to 0.3 mol/mol
Carbonyl sulfideGC1 μmol/mol to 5 mmol/mol
EthanolGC5 μmol/mol to 0.5 mmol/mol
Ethylene oxideGC0.5 μmol/mol to 1 mmol/mol
Ethyl mercptanGC1 μmol/mol to 5 mmol/mol
HeliumGC50 μmol/mol to 0.5 mol/mol
Hydrocarbons - C2 to C6GC0.5 μmol/mol to 0.5 mol/mol
Hydrocarbons - totalGC0.2 μmol/mol to 0.1 mmol/mol
Hydrocarbons - total
Total hydrocarbon (THC) analyser0.2 μmol/mol to 0.1 mmol/mol
Hydrogen GC1 μmol/mol to 0.95 mol/mol
KryptonGC10 mmol/mol to 0.8 mol/mol
MethaneFTIR0.1 μmol/mol to 0.5 mol/mol
MethaneGC0.2 μmol/mol to 0.5 mol/mol
MethanolGC5 μmol/mol to 0.5 mmol/mol
Methyl mercaptanGC1 μmol/mol to 5 mmol/mol
NitrogenGC1 μmol/mol to 0.5 mol/mol
Nitrogen dioxideChemiluminescence0.1 μmol/mol to 0.5 mol/mol
Nitrogen oxideChemiluminescence0.1 μmol/mol to 5mmol/mol
Nitrogen oxideFTIR0.2 μmol/mol to 0.3 mol/mol
OxygenParamagnetic0.3 mol/mol to 0.999 mol/mol
OxygenGC1 μmol/mol to 0.5 mol/mol
OxygenElectrochemical1 μmol/mol to 1 mmol/mol
PropaneFTIR0.1 μmol/mol to 0.5 mol/mol
Sulfur compoundsGC1 μmol/mol to 0.5 mmol/mol
Sulfur dioxideGC1 μmol/mol to 5 mmol/mol
Sulfur dioxide
FTIR1 μmol/mol to 5 mmol/mol
Water vapourElectrochemical1 μmol/mol to 1 mmol/mol

Capability

10% relative for concentrations 0.1 μmol/mol to ≤ 10 μmol/mol

5% relative for concentrations > 10 μmol/mol to ≤100 μmol/mol

2% relative for concentrations > 100 μmol/mol to ≤ 20 mmol/mol

1% relative for concentrations > 20 mmol/mol

ISO/IEC 17025 (2017)

Materials

Service Product Determinant Technique Procedure Limitations
Analysis for chemical composition of gas and aerosols Industrial gas supplies excluding fuels and calibration mixtures Hydrogen Gas chromatography (GC)

In-house ACC-TCD-01; ACC-HID-01; SG-H-01;  SG-H-02; SG-H-03; GS-LA-02; ACC-HID-02; ACC-H-01
Water vapour Electrochemical detector in-house method I-PB-377
Oxygen Electrochemical detector in-house method I-PB-343
Carbon monoxide Fourier transform infrared spectroscopy (FTIR) in-house method I-PB-352
Nitric oxide Chemiluminescence in-house ACC-EPA-01
Carbon dioxide (CO2) Nondispersive infrared (NDIR) in-house method I-PB-307
Methane Gas chromatography (GC)

In-house ACC-TCD-02; ACC-FID-01; ACC-MET-01; ACC-RGA-01; SG-HC-01; SG-CO-02; SG-HC-02; SG-HC-03; ACC-LA-01
Total hydrocarbons Total Hydrocarbon (THC) analyser in-house method I-PB-338
Carbon monoxide Fourier transform infrared spectroscopy (FTIR)

In-house I-PB-352
Hydrocarbons: C2-C6 Gas chromatography (GC)

In-house ACC-FID-01; ACC-TCD-04; ACC-RGA-01; SG-HC-04; SG-HC-05; SG-HC-06; SG-HC-07; SG-HC-08; SG-HC-09; SG-HC-10; ACC-FID-02
Oxirane (ethyleneoxide) Gas chromatography (GC)

In-house SG-ETO-02
Carbon dioxide (CO2) Gas chromatography (GC)

In-house SG-GC-03; SG-CO-04; SG-LA-01; SG-LA-02; ACC-LA-01
Total hydrocarbons Gas chromatography (GC)

In-house I-PB-338
Krypton Gas chromatography (GC)

In-house SG-Kr-01; ACC-O-01
Propane Fourier transform infrared spectroscopy (FTIR)

In-house I-PB-352
Carbonyl sulfide; Ethylmercaptan; Sulfur dioxide Gas chromatography (GC)

In-house ACC-SCD-01
Carbon monoxide Gas chromatography (GC)

In-house ACC-HID-01; ACC-TCD-03; ACC-MET-01; SG-CO-01; SG-CO-02; SG-CO-03; SG-LA-02; ACC-LA-01
Nitric oxide Fourier transform infrared spectroscopy (FTIR)

In-house I-PB-352
Carbon dioxide (CO2); Carbon monoxide; Methane Gas chromatography (GC) in-house method SG-CO05
Methane Fourier transform infrared spectroscopy (FTIR)

In-house I-PB-352
Nitric oxide Gas chromatography (GC)

In-house ACC-EPA-01
Nitrogen Gas chromatography (GC)

In-house ACC-TCD-02; ACC-HID-01; SG-LA-02; SG-N-01; SG-N-03; SG-N-04; SG-N-05; ACC-LA-01; ACC-O-01
Helium Gas chromatography (GC)

In-house SG-He-01; ACC-O-01
Sulfur dioxide Fourier transform infrared spectroscopy (FTIR)

In-house I-PB-352
Oxygen Gas chromatography (GC)

In-house SG-O-01; SG-O-02; ACC-TCD-02; ACC-LA-01; ACC-O-01
Ethanol; Methanol Gas chromatography (GC)

In-house ACC-OX-01
Argon Gas chromatography (GC)

In-house SG-A01; SG-A-02; ACC-A-01; ACC-LA-01
Oxygen Electrochemical detector In-house I-PB-391
Industrial gas supplies excluding fuels and calibration mixtures; Medical gases Carbon dioxide (CO2) Fourier transform infrared spectroscopy (FTIR)

In-house I-PB-352
Oxygen Paramagnetic cell

In-house I-PB-303; I-PB-354; I-PB-307

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