. 2023 Oct 14;9(10):e21033. doi: 10.1016/j.heliyon.2023.e21033

Table 3.

The application of g–C₃N₄–CPE for determination of Trp in milk (n = 5).

Sample	Spiked	Found	Recovery %
Milk	0	ND	–
	5	5.1	98
	10	9.8	102
	20	19.8	101
	30	28.5	105.2