HCBBS Forum (English)
Submit Chemical Projects / Find Solutions
Amplify Your Requirements on a Broader Chemical Platform *Engineering · Technology · Equipment · Solutions*
Submit Request

【Daily Question】Chemical Analysis Version, 2019.8.11

2019-08-11View Original

Thread Content

This post was last edited by zjp on 2019-8-11 07:38. Multiple-choice question: Identify the standard procedure among the following titration analysis operations. ( ) A. Before titration, rinse the burette three times with the standard solution to be used. B. During titration, shaking the conical flask causes a small amount of solution to spill out. C. Before titration, the conical flask should be rinsed three times with the solution to be analyzed. D. If the solution in the burette is not at 1 cm below the zero mark, use a dropper to add solution until the lowest point of the meniscus is in contact with the “0” mark. A
Reply #22019-08-11
Before titration, rinse the burette three times with the standard solution to be used
Reply #32019-08-11
A. Before titration, rinse the burette three times with the standard solution to be used

Submit a Project

**Looking for Chemical Technology, Equipment & Solutions?** No Registration Required Broader Platform Exposure | Global Chemical Service Provider Connections

Submit Request — Free Consultation

Disclaimer

This is an automated machine translation of the original thread. Some technical terms may have inaccuracies; the original text shall prevail. Click "View Original" at the top right to access the source page, which supports IP-based automatic real-time language translation. Please watch out for contact details and sales inducements to prevent fraud. All content and translations are for reference only, representing solely the poster's personal views. For enquiries, email service@hcbbs.com.