31种石油烃类混标(C10-C40,HJ1021-2019,HJ894-2017)

CDAA-M-690072-HD-1ml

Product Name：Petroleum hydrocarbons Mix 31 (C10-C40)

Solvent：1000mg/L in n-Hexane，1ml

Storage：-20°C

QC TEST RESULTS

Components may crystallize at low temperature, must be heated to 40~50°C until dissolved.

Please Note：

For laboratory use only.

Before use：some components will crystallize at low temperature, must be restored to room temperature and shaken or ultrasonic until completely dissolved before opening ampoules.

Uncertainty： Uncertainty of the purity is expressed as Expanded Uncertainty corresponding to the 95% confidence interval(k=2).

Traceability： All weights used to verify balance calibration traceable to national primary standards.
The pack is closed and is recommended to be stored as indicated. The unopened product is guaranteed to fulfill the specifcations of this analytical report for a period of expiry date.

注：以上信息仅供参考，以产品附带证书为准。