SY/T 7470-2020 in English

VALID

Quantification analysis method of diamondoids in crude oil

Issued on:2020-10-23
Implemented on:2021-02-01
File Format:PDF
Delivery:Via email within 1~3 business days

Price(USD)： $250.00
$243.00

Standard No:	SY/T 7470-2020
Document status:	VALID
Title in English:	Quantification analysis method of diamondoids in crude oil
Title in Chinese:	原油中金刚烷类化合物的定量分析方法
Language:	English
File Format:	Electronic (PDF)
Delivery:	Via email within 1~3 business days
Issued on:	2020-10-23
Implemented on:	2021-02-01
Professional Classification:	SY-Oil & Gas
Related Keywords:	crude oil crude oil introduction standard overview waxy crude oil samples oil sample quantification analysis method
Related Topics:	quantitative analysis crude compound Quantitative analysis method Quantitative English Analytical Classification Compound quantification Chemical Analysis of Crude Oil Quantitative analysis method quantitative analysis Compound principle Quantitative analysis method Quantitative Analysis Method of Organic Matter Compound analysis volume Analytical method for naphthalene quantitative standard CICC Alkanes Main Classification of Analytical Methods Compound Principles Analysis of Crude Oil Ketone Compound Analysis Method Compound Quantitative Analysis Compound Quantitative Analysis Quantitative English Compound Rigidity Compound amount Compounds with a molecular weight of 45 Isooctane Analysis classification analysis Compound Small Molecule Analysis Principles and methods of determination of trace amounts of oil in water Compound structure analysis methods chromatographic classification method Classification number of principles of electrochemical methods Quantitative analysis methods in pharmaceutical analysis Quantitative analysis method of adamantane compounds in crude oil Crude oil component analysis method Crude oil analysis and testing Chiral separation method of amine compounds Quantitative analysis methods for aldehydes Classification of immobilization methods Resolution methods for chiral acid compounds A complete collection of oil in water analysis methods Principle of Chinese Fayan According to the principle of analysis, drug analysis methods can be divided into Quantitative Liquid phase analysis method for glycosylated compounds Isooctane analytical grade Quantitative method classification Drug Quantitative Analysis Methods sy/t 7494-2020 Qualitative and quantitative analysis methods for organic compounds sy/t 7466-2020 sy/t 7468-2020

Introduction

Standard Overview and Technical Background

As an important analytical method specification for the oil and gas industry, this standard establishes a standardized process for the quantitative detection of adamantane compounds in crude oil. As a maturity indicator and oil source comparison marker, adamantane compounds have special value in the field of oil and gas exploration. Compared with the previous version, the 2020 version of the standard mainly updates the technical parameter requirements and data processing algorithms of gas chromatography-mass spectrometer.

Core Instrument and Material Specifications

Instrument Type	Technical Requirements	Key Parameters
Gas Chromatography-Mass Spectrometer	EI Ion Source	Resolution>500
Chromatographic Column	5% Phenyl Methyl Siloxane	Column Length≥30m
Internal Standard	Deuterated Monoadamantane	Purity≥98%

Analysis of key operation procedures

Key points of sample preparation

Using isooctane ultrasonic extraction method, the oil sample weighing range is 10-20mg, and the centrifugal speed is 3000-5000r/min to ensure that the adamantane compounds are fully dissolved while avoiding the loss of light components by volatilization.

Instrumental analysis conditions

The chromatographic heating program adopts second-order gradient heating (initial 35-50℃, final temperature 300-320℃), and the mass spectrometry detection is recommended to use the selected ion monitoring mode (SIM) to improve the sensitivity, focusing on monitoring characteristic ions such as m/z 135, 149, and 163.

Quality Control System

The standard establishes strict quality control indicators:

Blank test baseline noise needs to be ≤5% of the target response value
Chromatographic peak separation requirement is ≥80%
Calculation formula for repeatability limit r: r=0.0207m+1.0069

Implementation suggestions

1. Laboratories should regularly use standard substances to verify the response stability of the gas chromatography-mass spectrometry system
2. For complex samples, it is recommended to combine the mass chromatogram in Appendix B for co-elution peak identification
3. For highly waxy crude oil samples, the ultrasonic treatment time can be appropriately extended to 10 minutes

More samples: QC/T 942-2021 JJG 21-2008 GB 18306-2015

Sample only — not a preview of SY/T 7470-2020

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