Apparatus and instruments for measuring chlorine in water.

Chemical reagent mixtures in kit form, other than for medical or veterinary use; Chemical reagents for laboratory use, other than for medical or veterinary use; Chemical reagents for use in analytical tests, other than for medical or veterinary use; Chemical test reagents (other than for medical or veterinary use); Chemical reagents (other than for medical or veterinary purposes); Test reagents (other than for medical use); Diagnostic reagents, other than for medical laboratory use; Diagnostic substances, other than for medical use; Diagnostic testing materials, other than for medical use; Chemical substances for analyses in laboratories (other than for medical or veterinary purposes)