Development and Application of Certified Reference Materials of Light Crude Oil for Water Content
Han Zheng,
Hai-feng Wang,
Jia Li
Abstract:The water content of the crude oil needs to be measured accurately. The analytical methods that are used, including distillation and Karl Fischer coulometric titration (KFCT), require verification using certified reference materials (CRMs) of crude oil for the water content. In the present study, five CRMs of light crude oil with large volumes and various certified water contents (1−10 mg/g) were developed using the gravimetric method. Each candidate CRM was prepared individually, including the addition of pur… Show more
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