1.1 This specification covers two styles of glass micro-burets of the “Koch” type for general laboratory use. 1.2 The values stated in SI units are t This specification covers two styles of "Koch" type glass microburets for general laboratory use. Burets shall be made from Type I, Class A or B glass. Both burets shall have permanently attached stopcocks with either glass plugs, or PTFE plugs. Materi