Standard No.:	GB/T 11059-2011
English Name:	Standard test method for determination of vapor pressure of crude oil:VPCRx(expansion method)
Chinese Name:	原油蒸气压的测定 膨胀法
Chinese Classification:	E21    Crude petroleum
Professional Classification:	GB    National Standard
Issued by:	AQSIQ;SAC
Issued on:	2011-9-29
Implemented on:	2012-1-1
Status:	superseded
Superseded by:	GB/T 11059-2022 Determination of vapor pressure of crude oil—Expansion method
Superseded on:	2022-10-12
Abolished on:	2022-10-12
Superseding:	GB/T 11059-2003 Crude oil - derermination of saturated vapour pressure - Reference methods
Language:	English
File Format:	PDF
Word Count:	6000 words
Price(USD):	180.00
Delivery:	via email in 1~3 business day

1.1 本标准规定了采用自动蒸气压测定仪测定原油蒸气压的方法。
1.2 本标准适用于测定蒸气压为25kPa~180kPa的原油,测定温度为37.8℃,膨胀后气液比从4∶1
到0.02∶1。本标准也可用于测定蒸气压高至500kPa的原油,测定温度范围从0℃~100℃ ,但精密
度可能不适用。
1.3 本标准也可用于在线测量,但测量前样品不能进行气饱和处理。