Table 2: Langmuir 's isotherm parameters for the adsorption of MB onto GNSP.

Parameter303 K313 K323 K

𝐾 𝐿 (m3/kg)78.2393.16126.13
𝑞 𝑚 (kg/kg)0.2420.1880.127
𝑅 2 0.9890.9900.978
𝜒 2 0.630.370.08