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GB/T 6533-2012: Test method for water and sediment in crude oil by the centrifuge method
Status: Valid GB/T 6533: Evolution and historical versions
| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| GB/T 6533-2012 | English | 279 |
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Test method for water and sediment in crude oil by the centrifuge method
| Valid |
GB/T 6533-2012
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| GB/T 6533-1986 | English | 359 |
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Crude petroleum--Determination of water and sediment--Centrifuge method
| Obsolete |
GB/T 6533-1986
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PDF similar to GB/T 6533-2012
Basic data | Standard ID | GB/T 6533-2012 (GB/T6533-2012) | | Description (Translated English) | Test method for water and sediment in crude oil by the centrifuge method | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | E21 | | Classification of International Standard | 75.040 | | Word Count Estimation | 12,132 | | Older Standard (superseded by this standard) | GB/T 6533-1986 | | Quoted Standard | GB/T 4756; GB/T 6531; GB/T 8929; SY/T 5317 | | Adopted Standard | ASTM D4007-2008, MOD | | Regulation (derived from) | National Standards Bulletin No. 41 of 2012 | | Issuing agency(ies) | General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, Standardization Administration of the People's Republic of China | | Summary | This standard specifies the method for determination by centrifugation of crude oil in the water and sediment content approach. This standard applies to crude oil. This standard side fixed oil content is generally less than the actual water content of the | GB/T 6533-2012: Test method for water and sediment in crude oil by the centrifuge method---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
Test method for water and sediment in crude oil by the centrifuge method
ICS 75.040
E21
National Standards of People's Republic of China
Replacing GB/T 6533-1986
Determination of crude oil centrifugation water and sediment
Issued on. 2012-12-31
2013-07-01 implementation
Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China
Standardization Administration of China released
Foreword
This standard was drafted in accordance with GB/T 1.1-2009 given rules.
This standard replaces GB/T 6533-1986 "crude water and sediment assays (centrifugation)," compared with the GB/T 6533-1986, the main
To technical changes are as follows.
--- The "Moisture must use the GB/T 260" was changed to "Moisture should be GB/T 8929" (see Chapter 1, 1986
Edition of the first paragraph);
--- Added "Normative references" (see Chapter 2);
--- Increasing the formulas relative centrifugal force (see 4.1.6);
--- Increasing the scale of the centrifuge tube for verification of contents (see 4.2);
--- Added "for high viscosity or high crude oil, the need to control the temperature at 71 ℃ ± 3 ℃ to give crude wax crystals were dissolved."
(See 43, 1986, version 2.1.3.);
--- Increased the viscosity of crude oil added to the sample tube method (see 7.2);
--- Added "Quality Assurance and Control" (see Chapter 10);
--- Added "Test Report" (see Chapter 11);
--- The Figure A.1 heading "toluene solubility in water" to "water solubility in toluene."
This standard uses redrafted law revision "Determination of water in crude oil and sediment (laboratory method) centrifugation" With ASTMD4007-08.
This standard ASTMD4007-08 technical differences and their reasons are as follows.
--- On normative references, this standard has been adjusted technical differences, in order to adapt our technical conditions, the adjusted situation
Focus is reflected in the status of Chapter 2, "Normative references", the specific adjustments are as follows.
● use equivalent to international standards of GB/T 4756 instead ASTMD4057 (see Chapter 6);
● use equivalent to international standards of GB/T 6531 instead ASTMD473 (see Chapter 1);
● Modify with international standards of GB/T 8929 instead ASTMD4006 (see Chapter 1);
● equivalents adoption of international standards SY/T 5317 instead ASTMD4177 (see Chapter 6).
This standard made the following editorial changes.
--- Deleted ASTMD4007-08 informative Appendix X1.
This standard by the National Standardization Technical Committee of Oil and Gas (SAC/TC355) and focal points.
This standard was drafted. China Research Institute of Petroleum Corp. petrochemical, Zhoushan Exit Inspection and Quarantine, Daqing
Oilfield Engineering Co., Ltd., China National Petroleum Corporation Pipeline Company Pipeline Technology Research Center.
The main drafters of this standard. Gu Jie, Determination Of Wei Yutong, Zhao Zhongfu, Liu Wen, Liu Jiliang.
This standard replaces the standards previously issued as follows.
--- GB/T 6533-1986.
Determination of crude oil centrifugation water and sediment
Warning. Use of this standard shall have a person experiences regular laboratory work. This standard does not point out all possible security asked
question. Users have the responsibility to take appropriate safety and health practices and to ensure compliance with the conditions relevant national regulations.
1 Scope
This standard specifies the method for the determination of crude oil by centrifugation in water and sediment content approach.
This standard applies to crude oil.
The standard measurement of crude oil water content is generally lower than the actual water content. When measuring the high precision, the precipitate should be measured
GB/T 6531, water determination should be GB/T 8929.
2 Normative references
The following documents for the application of this document is essential. For dated references, only the dated version suitable for use herein
Member. For undated references, the latest edition (including any amendments) applies to this document.
GB/T 4756 petroleum liquids hand sampling method (GB/T 4756-1998, eqv ISO 3170. 1988)
GB/T 6531 crude oil and fuel oils precipitate assay (extraction method) (GB/T 6531-1986 (91), eqv ISO 3735. 1983)
GB/T 8929 Determination of water content of crude oil distillation method (GB/T 8929-2006, ISO 9029.1990, MOD)
SY/T 5317 petroleum liquids pipeline automatic sampling (SY/T 5317-2006, ISO 3171. 1988, IDT)
3 Method Summary
An equal volume of crude oil with water and saturated toluene were fed into a conical centrifuge tube, after centrifugation, the tube is read out in the bottom of the water and sediment
volume of.
4 Instrument
4.1 Centrifuge
4.1.1 centrifuge rotatable two or more full sample of about 203mm conical centrifuge tube, you can control the speed, the centrifugal tube
The end of the relative centrifugal force (rcf) of at least 600 (see 4.1.6).
4.1.2 swivel head, centrifugal and centrifugal cup ring includes a cushion should be well structured in order to be able to withstand the maximum centrifugal force emitted by the source.
Centrifugal, centrifugal bottom of the cup washer and the upper gasket should firmly support the centrifuge tube. Centrifuges by a sufficiently strong metal shield
Fenced to avoid danger when the tube rupture.
4.1.3 The centrifuge should be a heating function, temperature control and stability to avoid unsafe situations occur. Throughout the temperature control during centrifugation
60 ℃ ± 3 ℃. Centrifuge thermostat temperature can be controlled within the desired range, and within an environment of flammable pay attention to safety
operating.
4.1.4 centrifuges, motors and heaters should comply with the relevant laboratory safety regulations.
4.1.5 centrifuge speed x according to equation (1).
x = 1335 rcfd
(1)
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