er.... I guess freedom of information requires me to tell you... but first:
If you don't know the chemical names, you probably shouldn't be mixing reagents..
You require Sulphuric ACID, and formaldehyde @ a 9:1 ratio (If I recall correctly)
I understand this mixing can cause fumes etc... I would suggest that unless you have a fume hood, and a proper lab space, to buy a redy-mixed testing kit.
TheGamer