Molecular weights can be found in the NIOSH Pocket Guide to Chemical Hazards, chemical supplier lists, the NIST Chemistry WebBook or other online databases.
This page contains a numerical NAICS code list 2017. Users can view and lookup an index of 2017 NAICS codes in numerical order.
A selector tool to be used by suppliers and buying organisations preparing a alogue for upload into PECOS; Updated on 10th September 2008 for use with ...
"Demandite" is the word used by mineral economists to describe the materials that must be provided— usually by mining— to meet the needs of ...