The results by NIR method are coincident with those determined by reference method (GC).The NIR method has higher repeatability and reproductivity than UOP 744-86 method.

• 结果证明：近红外光谱法的分析结果能够完全满足生产中的精度要求，再现性和重现性优于UOP方法744-86（气相色谱法）的要求。