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Position: Chinese Standard in English/GB/T 4756-1998
GB/T 4756-1998   Petroleum Liquids - Manual Sampling (English Version)
Standard No.: GB/T 4756-1998 Status:abolished remind me the status change

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Language:English File Format:PDF
Word Count: 12000 words Price(USD):300.0 remind me the price change

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Implemented on:1998-12-1 Delivery: via email in 1 business day
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Standard No.: GB/T 4756-1998
English Name: Petroleum Liquids - Manual Sampling
Chinese Name: 石油液体 手工取样法
Chinese Classification: E30    Petroleum products in general
Professional Classification: GB    National Standard
Issued by: State Bureau of Quality and Technical Supervision
Issued on: 1998-06-01
Implemented on: 1998-12-1
Status: abolished
Superseded by:GB/T 4756-2015 Method for manual sampling of petroleum liquids
Superseded on:2016-6-1
Abolished on:2016-06-01
Superseding:GB 4756-1984(1991)
Language: English
File Format: PDF
Word Count: 12000 words
Price(USD): 300.0
Delivery: via email in 1 business day
1.1 This standard specifies the method of sampling liquid hydrocarbon, oil tank residue and precipitate specimen from the fixed oil tank, railway tank wagon, road tank car, tank vessel, lighter, barrel and can, or from the pipeline for transporting liquid (see 4.3) through manual sampling. 1.2 This standard is applicable to sampling from the liquid petroleum products, crude oil and intermediate products in the storage oil tank or in transporting pipeline; the in-tank pressure shall be normal pressure or approach to normal pressure, and the petroleum or liquid petroleum products sampled shall in liquid state during ambient temperature up to 100℃. The sampling method specified in this standard is not applicable to the analytic sampling for special features of the petroleum specialties. For this type of oil products, the analytical sampling of special features shall be in accordance with the provisions in relevant standards: for example, there are special requirements on sampling from electric insulating oil, liquid petroleum gas, LNG, asphalt and chemical products as well as unstable crude oil with Reid vapor pressure higher than 180 kPa (1.8 bar). 1.3 The basic manual samplings are: a) Tank sampling; b) Pipeline sampling. While oil products are received or shipped, they either adopt tank sampling or pipeline sampling, or both. If two samplings are both adopted, the two sets of specimen shall be separated. 1.4 This standard specifies the method of minimizing or eliminating the light component loss in the specimen. During the sample treatment or transfer, aforesaid losses may appear which may the specimen loss its representativeness. 1.5 If the method applicable to sampling representative sample from the storage or moving even petroleum liquid is applied to sampling specimen from uneven liquids which has distinctive differences in composition, precipitate and (or) moisture content, the specimen sampled may loss its representativeness. 1.6 The sampling methods specified in this standard are applicable to sampling for the following purposes: a) Determining the product quality; b) Determining the water content in the oil products; c) Determining other pollutants in the transported liquids. If the sampling conditions in a), b) and c) have differences, the specimen shall be sampled independently. 1.7 This standard also specifies the sampling method of determining the degree of unevenness in the uneven oil product in the tank and estimating its quality and quantity. 1.8 This standard also specifies the method of sampling residue and precipitate from the tank, and the sampling technique of sampling under the pressure of inert gases.
Foreword I ISO Foreword II 1 Scope 2 References 3 Definitions 4 Sampling principles 5 Apparatus 5.1 Summary 5.2 Tank sampler 5.3 Barrel and can sampler 5.4 Pipeline sampler 5.5 Vessel 5.6 Vessel sealer 5.7 Sample cooler 6 Safety precautions 6.1 Summary 6.2 Equipment 6.3 Sampling point 6.4 Static 7 Operation methods 7.1 Introduction 7.2 Precautions 7.3 Tank sampling 7.4 Package sampling 7.5 Pipeline sampling 8 Sampling methods for crude oil and other uneven petroleum liquids 8.1 Summary 8.2 Sampling method 9 Sample handling 9.1 Summary 9.2 Sample equalization 9.3 Inspection on mixing time 9.4 Sample transfer
GB/T 4756-1998 is referred in:
* GB 19147-2013 Automobile diesel fuels (Ⅴ)
* GB 19147-2013 Automobile diesel fuels (Ⅴ)
* GB 19147-2013 Automobile diesel fuels (Ⅴ)
* JB/T 10560-2006 Rolling bearings-Cleanliness and its assessment methods of rust preventive oils and cleanser
* SH 0040-1991(2007) Extra-high Voltage Transformer Oil
* SH/T 0361-1998 Slide ways oil
* SH/T 0362-1996 Anti-ammonia Turbine Oil
* GB 5903-2011 Gear Oils for Industrial Enclosed Gear System
* GB 11122-2006 Diesel engine oils
* GB 11121-2006 Gasoline engine oils
* GB/T 7304-2014 Standard Test Method for Acid Number of Petroleum Products by Potentiometric Titration
* GB/T 6536-2010 Standard test method for distillation of petroleum products at atmospheric pressure
* GB 252-2000 Light Diesel Fuels
* GB 17930-2006 Gasoline for Motor Vehicles
* GB 17930-2013 Gasoline for motor vehicles
* GB 18351-2004 Ethanol Gasoline for Motor Vehicles
* GB/T 23799-2009 Methanol Gasoline (M85) for Motor Vehicles
* GB 7189-2010 Food grade paraffin wax
* GB 23971-2009 Heat transfer fluids
* GB/T 17411-2012 Marine fuel oils
* GB/T 6986-2014 Standard Test Method for Cloud Point of Petroleum Products
* GB/T 9109.2-2014 Dynamic Measurement of Petroleum and Liquid Petroleum Products - Part 2: Technical Requirements of Meter Installation
* GB/T 3405-2011 Petroleum benzene
Code of China
Standard
GB/T 4756-1998  Petroleum Liquids - Manual Sampling (English Version)
Standard No.GB/T 4756-1998
Statusabolished
LanguageEnglish
File FormatPDF
Word Count12000 words
Price(USD)300.0
Implemented on1998-12-1
Deliveryvia email in 1 business day
Detail of GB/T 4756-1998
Standard No.
GB/T 4756-1998
English Name
Petroleum Liquids - Manual Sampling
Chinese Name
石油液体 手工取样法
Chinese Classification
E30
Professional Classification
GB
ICS Classification
Issued by
State Bureau of Quality and Technical Supervision
Issued on
1998-06-01
Implemented on
1998-12-1
Status
abolished
Superseded by
GB/T 4756-2015 Method for manual sampling of petroleum liquids
Superseded on
2016-6-1
Abolished on
2016-06-01
Superseding
GB 4756-1984(1991)
Language
English
File Format
PDF
Word Count
12000 words
Price(USD)
300.0
Keywords
GB/T 4756-1998, GB 4756-1998, GBT 4756-1998, GB/T4756-1998, GB/T 4756, GB/T4756, GB4756-1998, GB 4756, GB4756, GBT4756-1998, GBT 4756, GBT4756
Introduction of GB/T 4756-1998
1.1 This standard specifies the method of sampling liquid hydrocarbon, oil tank residue and precipitate specimen from the fixed oil tank, railway tank wagon, road tank car, tank vessel, lighter, barrel and can, or from the pipeline for transporting liquid (see 4.3) through manual sampling. 1.2 This standard is applicable to sampling from the liquid petroleum products, crude oil and intermediate products in the storage oil tank or in transporting pipeline; the in-tank pressure shall be normal pressure or approach to normal pressure, and the petroleum or liquid petroleum products sampled shall in liquid state during ambient temperature up to 100℃. The sampling method specified in this standard is not applicable to the analytic sampling for special features of the petroleum specialties. For this type of oil products, the analytical sampling of special features shall be in accordance with the provisions in relevant standards: for example, there are special requirements on sampling from electric insulating oil, liquid petroleum gas, LNG, asphalt and chemical products as well as unstable crude oil with Reid vapor pressure higher than 180 kPa (1.8 bar). 1.3 The basic manual samplings are: a) Tank sampling; b) Pipeline sampling. While oil products are received or shipped, they either adopt tank sampling or pipeline sampling, or both. If two samplings are both adopted, the two sets of specimen shall be separated. 1.4 This standard specifies the method of minimizing or eliminating the light component loss in the specimen. During the sample treatment or transfer, aforesaid losses may appear which may the specimen loss its representativeness. 1.5 If the method applicable to sampling representative sample from the storage or moving even petroleum liquid is applied to sampling specimen from uneven liquids which has distinctive differences in composition, precipitate and (or) moisture content, the specimen sampled may loss its representativeness. 1.6 The sampling methods specified in this standard are applicable to sampling for the following purposes: a) Determining the product quality; b) Determining the water content in the oil products; c) Determining other pollutants in the transported liquids. If the sampling conditions in a), b) and c) have differences, the specimen shall be sampled independently. 1.7 This standard also specifies the sampling method of determining the degree of unevenness in the uneven oil product in the tank and estimating its quality and quantity. 1.8 This standard also specifies the method of sampling residue and precipitate from the tank, and the sampling technique of sampling under the pressure of inert gases.
Contents of GB/T 4756-1998
Foreword I ISO Foreword II 1 Scope 2 References 3 Definitions 4 Sampling principles 5 Apparatus 5.1 Summary 5.2 Tank sampler 5.3 Barrel and can sampler 5.4 Pipeline sampler 5.5 Vessel 5.6 Vessel sealer 5.7 Sample cooler 6 Safety precautions 6.1 Summary 6.2 Equipment 6.3 Sampling point 6.4 Static 7 Operation methods 7.1 Introduction 7.2 Precautions 7.3 Tank sampling 7.4 Package sampling 7.5 Pipeline sampling 8 Sampling methods for crude oil and other uneven petroleum liquids 8.1 Summary 8.2 Sampling method 9 Sample handling 9.1 Summary 9.2 Sample equalization 9.3 Inspection on mixing time 9.4 Sample transfer
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Keywords:
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