Study on the Size-Dependent Oxidation Reaction Kinetics of Nanosized Zinc Sulfide

Table 1

The average diameters of nano-ZnS prepared under different conditions.

No.	Reaction temperature/°C	Initial pH value	Heating method	Surface active agent	Size/nm
1	90	4	Persistent overheating	SDBS^*1	17.9
2	90	5	Persistent overheating	CTMAB^*2	26.0
3	80	5	Persistent overheating	SDBS	33.3
4	90	6	Persistent overheating	SDBS	49.1
5	70	5	Persistent overheating	SDBS	57.6
6	40–80–90	5	Temperature-gradient method	SDBS	71.9

^*1SDBS is sodium dodecyl benzene sulfonate.
^*2CTMAB is hexadecyl trimethyl ammonium bromide.