Hydrion Acid Rain Survey Test Kit is used specially to measure acid rain pH measurements and allows the students can carry out surveys of rainwater and other freshwater sources. Kit includes 50 sample tubes 10 comparator charts test paper for 400 pH determinations and a wide range pH paper in a dispenser.
ترست بايلوت
منذ 4 أيام
منذ يوم واحد
