QX/T 213-2013 in English

VALID

Pre-processing and post-processing method of pyrex flask for greenhouse gases sampling

Issued on:2013-12-22
Implemented on:2014-05-01
File Format:PDF
Delivery:Via email within 1~3 business days

Price(USD)： $210.00
$204.00

Standard No:	QX/T 213-2013
Document status:	VALID
Title in English:	Pre-processing and post-processing method of pyrex flask for greenhouse gases sampling
Title in Chinese:	温室气体玻璃采样瓶预处理和后处理方法
Language:	English
File Format:	Electronic (PDF)
Delivery:	Via email within 1~3 business days
Issued on:	2013-12-22
Implemented on:	2014-05-01
Professional Classification:	QX-Meteorology
Related Keywords:	dual-port sampling cylinders greenhouse gases sampling post-treatment requirements temperature control ≥100℃ key technical indicators parameters pretreatment requirements
Related Topics:	Greenhouse gases preprocessing gas phase vial gas sampling Sample preprocessing post treatment oxalic acid Sample post-processing system post-treatment iodine atomic preprocessing gas sampling Low temperature flue gas treatment system Sample Handling Peak Iodine post-treatment Silicone post-treatment Iodine post-treatment After treatment with iodine Gas cell method Iodine post-treatment Sampling is related to preprocessing Sample preconditioner Inorganic sample treatment method Principle of gas sampler Test sample handling method Water sample pretreatment Methods of post-treatment of polyester rear iodide, after treatment Processing room equipment How to deal with solid ultraviolet Processing room system Greenhouse gas sampling bottle Methods of sample pretreatment organic treatment room Post-processing rt Solid sample handling Granularity processing method Gas Sampling System Granularity processing method Sample Processing Processing Method Gas sample method pre-saturation gas sample bottle Samples processed twice tit after peak splitting Pretreatment temperature liquid handling method After exhaust gas treatment Solid sample handling method How to handle samples instrument pretreatment How to deal with chemical treatment Lao preprocessor Mercury pretreatment Water sample preconditioner glass bottle sampling Two treatments of the same sample Sample No Handling Method Pretreatment series Biological sample pretreatment method After exhaust gas treatment Solid pretreatment method Solid pretreatment Water sample preconditioner Sample Pretreatment Principles Solid pretreatment Solid pretreatment method Sample handling box Sample Pretreatment Principles processed as a sample 6 pretreatment methods for samples preprocessing Methods of sample post-processing Processing method Preprocessing Principle of sample processing Sample test post-processing method Sample Processing Method Method Water sample pretreatment QX Processing room requirements pretreatment agent Inorganic treatment room Organic treatment room Inorganic sample handling post-experiment processing Test sample processing method how about pretreatment agent Test set preprocessing Sample processing Spectral Analysis Post-Processing Greenhouse Gas Standard Solid sample handling method Sample Pretreatment Laboratory Greenhouse gas measurement method Exhaust aftertreatment Lao preprocessor role Organic pretreatment Inorganic pretreatment How to handle solid samples Post-treatment of Palladium Carbon Cylinder principle Atmospheric Sampling Bottle Box qx/t 79.2-2013 How to deal with glass bottles Disc sample handling Test sample pretreatment In vivo sample processing Post-test processing of samples Greenhouse Gas Sampling Box How to prepare semi-solid samples Preprocessing and processing Palladium carbon post-treatment drug treatment What to do with the baseline liquid handling method Post-test sample handling Liquid UV Sample Handling Atmospheric sampling bottle Atmospheric sampling bottle Atmospheric sampling bottle Inorganic treatment room Measurement preprocessing GC vials Liquid Biochemical Pretreatment liquid pretreatment Processing after the end Necrosulfonamide pretreatment 1h Gas Chromatography Sample Pretreatment DR preprocessing Post-PCR sample processing Degassing method Graft and Recipient Preconditioning Post-IP sample processing into mass spectrometry Greenhouse Gas Sampling Greenhouse Gas Detection Methods What are the methods for preprocessing experimental samples? 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Introduction

Analysis of the core content of the standard

This standard establishes technical specifications for the key processing links of stainless steel sampling cylinders in the process of collecting halogenated greenhouse gases, covering the quality control requirements for the entire process of pretreatment (first use/post-contamination treatment) and post-treatment (maintenance after sampling).

Comparison of key technical indicators

Parameters	Pretreatment requirements	Post-treatment requirements
Temperature control	≥100℃ constant temperature	≥100℃ constant temperature
Vacuum degree	≤4Pa maintain 2min	≤4Pa maintain 2-3min
Filling pressure	1×10⁵Pa balance 12h	1×10⁵Pa direct encapsulation

Detailed explanation of typical processing flow

Pretreatment of dual-port sampling cylinder

Connect the air inlet and close the air outlet valve
Evacuate to 4Pa at 100℃ and hold for 2min
Fill with 440Pa filling gas and hold for 3min (cycle 3 times)
Flush at 40mL/min flow rate for 12 hours

Post-treatment of single-port sampling cylinder

Evacuate to 4Pa and hold for 3min
Fill with 1×10⁵Pa filling gas
Store in a sealed container at room temperature

Implementation recommendations

System verification: Vacuum test is required before each treatment (≤4Pa when sampling cylinder is not connected)
Drying control: Low-temperature cold trap is preferred to remove water to avoid chemical desiccant contamination
Record specifications: Appendix B form must be filled in completely, including temperature fluctuation curve and pressure change data

Technology evolution analysis

Compared with QX/T 125-2011, this standard adds:

Special processing procedures for dual-port sampling cylinders
Clear vacuum holding time requirements
Dynamic flushing process parameters (40mL/min)

More samples: QC/T 942-2021 GB 18306-2015 NB/T 47013.2-2015

Sample only — not a preview of QX/T 213-2013

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