grade of chemical

Technical grade or commercial grade is lowest grade {grade, chemical} {chemical grade}. U.S.P. is safe for humans. Reagent grade or A.C.S. is high quality. Primary standard is highest quality.

Related Topics in Table of Contents

Physical Sciences>Chemistry>Analytical Chemistry>Laboratory Equipment

Whole Section in One File

5-Chemistry-Analytical Chemistry-Laboratory Equipment

Drawings

Drawings

Contents and Indexes of Topics, Names, and Works

Outline of Knowledge Database Home Page

Contents

Glossary

Topic Index

Name Index

Works Index

Searching

Search Form

Database Information, Disclaimer, Privacy Statement, and Rights

Description of Outline of Knowledge Database

Notation

Disclaimer

Copyright Not Claimed

Privacy Statement

References and Bibliography

Consciousness Bibliography

Technical Information

Date Modified: 2022.0224