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, May 3, 2019

2019-05-03View Original

Thread Content

This post was last edited by zjp on 2019-5-3 08:28. Multiple-choice question: Which of the following can be used with the permanent-stop titration method to determine the endpoint for quantitative analysis? A. Determining the content of sodium thiosulfate using an iodine standard solution. B. Calibrating the concentration of hydrochloric acid solution using pure sodium carbonate. C. Determining the content of sulfonamide drugs using a sodium nitrite standard solution. D. Determining trace amounts of water in drugs using the Karl Fischer method. A, C, D

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.