Primary standard can be used to prepare standard solution directly.
举一反三
- What standards can be used to classify standard documents?
- Standard parts can be measured（）
- BioBricks are standard biological parts. Like the standard parts in other industries, Biobricks can be connected with each other, or they can be disassembled and reassembled with other parts.
- What is (are) standard operating procedure(s) used on a Ro-Ro vessel ?
- When measuring the dispersion of the sample mean, the statistics to be used are ( ) . A: Coefficient of variation B: The standard deviation C: Standard deviation of the mean D: Range value