US$ 89.56
the weak triprotic acid used as a pH-control agent in food-chemistry and as a chelating agent in metal-ion solutions
a step up from the 70mm model with extended pole separation that gives field-mapping experiments more room along the magnet axis
Tamper-evident 12 x 22-inch coin bags in semi-transparent 2
supplying a finer-gauge option for precision resistors and standard-cell construction in physics labs
ACS Grade Ammonium Hydroxide Solution, 2.5L Science at Home_Innovating Science Kits the weak triprotic acid usedTwo and a half liter ACS grade ammonium hydroxide solution, the analytical grade ammonia source for buffer preparation, copper complex chemistry demos, and quantitative precipitation work.
US$ 89.56
US$ 14.42
US$ 13.46
US$ 7140.00
US$ 182.71
US$ 1640.00
US$ 1375.00
US$ 78.40