tender for set of lab materials consisting of two items as per details given below. (1) alumina ferric crystalwhite (alum) grade-i conforming to is299/2012 or latest in 50 kgs. standard pack - qty. 1000 kgs. (2) hydratedlime powder conforming to is 1540/1990 or latest in 50 kgs. standard pack - qty. 1000 kgs. (sl.no. 1 + 2 = 01set) .