title: [Quick determination of lubricating oil additive by infrared spectrum method].
abstract: Some additives were measured by PE-FTIR 1725 X instrument and "Quant" Software (PE company), with the relative error less than 10%. Several oil samples such as 15W/40SE, 15W/30 SG/CD, 15W/40CD and 15W/30CC were analysed in which the additive and base oil ranged from 0.2%-90%.
authors.affiliation: Great Wall Lubricating Oil Group Co., Sinopec, 100085 Beijing.
authors.forename: Z
authors.initials: Z
authors.lastname: Jin
authors.forename: Y
authors.initials: Y
authors.lastname: Su