Tartaric Acid-Modified Holarrhena antidysenterica and Citrullus colocynthis Biowaste for Efficient Eradication of Crystal Violet Dye from Water

Figure 3

SEM of (a) HA, (b) HA-TA, (c) CC, and (d) CC-TA.

(a)

(b)

(c)

(d)