GB/T 6986-2014: Standard test method for cloud point of petroleum products

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Scope

This Standard specifies two test methods, namely, manual and automatic methods, for
cloud point of petroleum products, biodiesel and biodiesel fuel blend. The manual method
is deemed as the arbitration method.
This Standard only applies to testing cloud point of petroleum products, biodiesel and
biodiesel fuel blend of which the cloud point is less than 49°C when it is transparent at the
thickness of 40 mm.
Note. Chroma of samples tested in accordance with this Standard shall be ≤3.5 (according to GB/T 6540);
samples with chroma exceeding 3.5 can also be tested according to this Standard, however, the
precision is not applicable.

Basic Data

Standard ID	GB/T 6986-2014 (GB/T6986-2014)
Description (Translated English)	Standard test method for cloud point of petroleum products
Sector / Industry	National Standard (Recommended)
Classification of Chinese Standard	E30
Classification of International Standard	75.080
Word Count Estimation	13,159
Date of Issue	2/19/2014
Date of Implementation	6/1/2014
Older Standard (superseded by this standard)	GB/T 6986-1986
Quoted Standard	GB/T 514-2005; GB 1922-2006; GB/T 4756; GB/T 6540; GB/T 15000.3; GB/T 15000.7; GB 17602; JB/T 8622
Adopted Standard	ASTM D2500-2011, MOD
Regulation (derived from)	National Standard Announcement 2014 No. 2
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 petroleum products, biodiesel and biodiesel blended fuel cloud point of both manual and automatic measurement method, manual method of arbitration. This Standard applies to the determination of transparency in the 40mm thicknes