Bar Adsorbent Microextraction with Carbon-Based Sorbent Layers for the Identification of Pharmaceutic Substances

Table 1

Exterior assets of carbon sorbent.

Categories	Carbon particles	Structural assets	External assets (pH point of zero charge)
Hydrochar	Acrylic acid-modified hydrochars^c; (i) HSAA7/190; (ii) HSAA27/190; (iii) HSAA14/190	NP	3
	HC^b; (i) HS/190; (ii) HG/190	NP	3
Stimulated carbon	Commercial; (i) Com/CN1; (ii) Com/R	Apparent surface area ≈1000 m^2	5.2
	SAC^a	m^2/g
Activated hydrochar	High-T-activated hydrochars^d; (i) HS/C800; (ii) HS/H800	Apparent surface  m^2/g
	Low-T-activated hydro chars; (i) HG/LiZn180; (ii) HF/LiZn180; (iii) HS/LiZn180	Apparent surface area  m^2/g; Apparent surface area  m^2/g; Apparent surface area  m^2/g	2.8-3.2