Compound     formaldehyde

CAS No.    50-00-0 

Purity (%)     37.8

Neat Material Lot No.     1560.18.2P

Concentration      1006 ±3.62 mg/L

Storage:   <  -10 °C

Parent formaldehyde solution (37% nominal) was standardized titrimetically immediately prior to use.

Follow all storage requirements, keep tightly closed when not in use, and use good laboratory practices when handling.

This Reference Material was manufactured, produced, and/or certifiea under a quality management system that is accredited to ISO 17034 andlSO/IEC 17025.

All weights are traceable through N. I. S. T. Test No. 822/264157-00. Concentration (correct for purity) and uncertainty (95% confidence) values listed are determined gravimetriclly.

The stated uncertainty is the expanded uncertainty with a coverage factor of two to give a 95% confidence level.

注：以上信息僅供參考，以產(chǎn)品附帶證書為準(zhǔn)。