Fourier Transform Infrared Spectroscopy for short: DR-FTIR). RESULTS: Compared with the infrared spectrum of common fake pearl powder, the infrared spectrum of medicinal pearl powder has obvious characteristics and uniqueness. Conclusion: DR--FTIR can be used to characterize and identify the authenticity of medicinal pearl powder. The preparation of samples does not require chemical treatment, and the analytical method is simple.
Key words: diffuse reflectance Fourier transform infrared spectroscopy; pearl powder; identification
The dental examination kits are used to examine,treat, restore and remove teeth. Different components could be offered as customers requirements.
The dental examination kits are for single use and disposable use, which could prevent the infect from different patients.It is clean and safe and easily to operate.
Dental Examination Kits
Dental Examination Kits,Disposable Dental Examination Kits,Dental Examination Instruments,Dental Examination Set
Hebei Orient Imp. & Exp. Co. Ltd. , https://www.orientmedcare.com