GB/T 3555: Historical versions
| Standard ID | USD | BUY PDF | Lead-Days | Standard Title (Description) | Status |
| GB/T 3555-2022 | 249 |
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3 days
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Test method for Saybolt color of petroleum products - Saybolt chromometer
| Valid |
| GB/T 3555-1992 | 319 |
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3 days
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Petroleum products. Determination of Saybolt color. Saybolt chromometer method
| Obsolete |
Basic data
Standard ID: GB/T 3555-2022 (GB/T3555-2022)
Description (Translated English): Test method for Saybolt color of petroleum products - Saybolt chromometer
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: E30
Word Count Estimation: 12,139
Issuing agency(ies): State Administration for Market Regulation, China National Standardization Administration
GB/T 3555-2022: Test method for Saybolt color of petroleum products - Saybolt chromometer
---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 Saybolt color of petroleum products - Saybolt chromometer
ICS 75.080
CCSE30
National Standards of People's Republic of China
Replacing GB/T 3555-1992
Determination of Saybolt Color of Petroleum Products
Saybolt colorimeter method
Published on 2022-07-11
2022-11-01 Implementation
State Administration for Market Regulation
Released by the National Standardization Administration
foreword
This document is in accordance with the provisions of GB/T 1.1-2020 "Guidelines for Standardization Work Part 1.Structure and Drafting Rules of Standardization Documents"
drafted.
This document replaces GB/T 3555-1992 "Petroleum product Saybolt color determination method (saybot colorimeter method)", and GB/T 3555-
Compared with.1992, except for structural adjustment and editorial changes, the main technical changes are as follows.
a) Added 4 terms and definitions (see 3.1~3.4);
b) Added the technical requirements for "water bath or oven", "beaker" and "funnel" (see Chapter 5);
c) sample melting temperature increased by "melting point" (see 5.2, 9.4);
d) The chapter "Reagents and Materials" has been added (see Chapter 6);
e) the chapter "Sampling" was added (see Chapter 8);
f) The preparation method of the sample has been changed (see 9.1~9.4, Chapter 7 of the.1992 edition);
g) Added description about bubbles (see 10.1.1);
h) Modified the operation procedure for the determination of the color of refined light oil and white oil samples (see 10.1.3, 8.1.3 of the.1992 edition);
i) Changed the operation procedure for the determination of the color of petroleum wax samples (see 10.2.1, 8.2.1 of the.1992 edition);
j) Changed the precision description (see 12.1.2, 12.1.3, Chapter 9 of the.1992 edition);
k) Added the deviation and its description (see 12.2);
l) Changed the requirements for instrument lighting in Appendix A (see A.1.6, A1.7 of the.1992 edition).
Please note that some content of this document may be patented. The issuing agency of this document assumes no responsibility for identifying patents.
This document is proposed and managed by the National Standardization Technical Committee of Petroleum Products and Lubricants (SAC/TC280).
This document is drafted by. Fushun Petrochemical Research Institute, China Petroleum & Chemical Corporation.
The main drafters of this document. Geng Chenchen, Zhao Bin, Gui Xinghua.
The previous versions of this document and its superseded documents are as follows.
--- First published in 1983 as GB/T 3555-1983, first revised in.1992;
---This is the second revision.
Introduction
Color is an important quality characteristic of petroleum products. Color is easily observed by product users and is mainly used for production control. exist
In some cases, color can be used as an indicator of the degree of refinement of the raw material. If the color range of a particular product is known, then when
If the color is out of the determined range, the sample may be contaminated. However, color is not always a reliable indicator of product quality, especially in product specifications
to be screened for use.
Determination of Saybolt Color of Petroleum Products
Saybolt colorimeter method
WARNING - Persons using this document should have practical experience in formal laboratory work. The use of this document may involve certain dangerous
materials, equipment and operations, this document does not address all possible safety issues. It is the user's responsibility to take appropriate safety and health measures
and ensure compliance with the conditions stipulated by the relevant national laws and regulations.
1 Scope
This document describes a method for determining the Saybolt color of petroleum products using a Saybolt colorimeter.
This document applies to refined petroleum products such as undyed motor gasoline, aviation gasoline, jet fuel, naphtha, kerosene, white oil and petroleum wax.
The color measurement range is from Saybot color number -16 to Saybolt color number 30.
2 Normative references
The contents of the following documents constitute essential provisions of this document through normative references in the text. Among them, dated citations
documents, only the version corresponding to that date applies to this document; for undated references, the latest edition (including all amendments) applies to
this document.
GB/T 2539 Determination of melting point of petroleum wax by cooling curve method
GB/T 4756 Petroleum liquid manual sampling method
GB/T 27867 Petroleum liquid pipeline automatic sampling method
SH/T 0132 Petroleum wax freezing point determination method
SH/T 0229 Sampling method for solid and semi-solid petroleum products
byusingtheCIEsystem)
The following terms and definitions apply to this document.
3.1
clear and bright
No mist or cloudiness.
3.2
free water
Water that is present in a sample in the form of haze, cloudy cloudiness, droplets, separate phases, or layers that exceed the solvency of the sample.
3.3
Particulates
Small solid or semi-solid particles that can be suspended in a sample or can settle to the bottom of the sample.
Note. Sometimes referred to as residue or sediment.
......
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