- By using acetyl acetone as color reagents, the micro-formaldehyde can be determined at the point of 412nm with spectrophotometry.
用乙酰丙酮作显色剂 ,在 412nm处 ,用分光光度法可测定微量甲醛。
- The ionic strength buffer solution is 0.12mol/L TEA hydrochloric acid solution of 0.1mol/L KC1-PH=7. The interference camouflaging agent is 0.004mol/L acetyl acetone.
- Methods That taurine reacting with formaldehyde and acetyl acetone forming a stable colored-compound was used to determine the content of taurine by spectrophotometry.
- Under the situation of phosphonic acid, the extraction of formaldehyde in dried bean milk cream was carried out by distilling and the formaldehyde was determined by acetyl acetone spectrophotograhy.
- Keywords MBTH;acetyl acetone;formaldehyde;