Detection of Adulteration of Panax Notoginseng Powder by Terahertz Technology

Table 1

Mass percentage and sample number of three types of adulterated samples.

Concentration (%)	Number of samples	Concentration (%)	Number of samples
5	8	35	8
10	12	40	12
15	8	45	8
20	12	50	12
25	8	55	8
30	12	60	12