pkg 05 supply of isi marked bleaching powder to be delivered at phe stores of jorhat hojai morigaon dibrugarh for the fy 2021-22 , supply of isi marked stable bleaching powder conforming toi.s.: 1065, 1989 with up-to-date amendment, grade-ii ( i ) available chlorine percent by mass min 32% ( ii ) stability loss of chlorine on the basis of initial available chlorine max- 1 / 11. ( iii ) moisture percent by mass max-0.5 ( iv ) particle size ( passing through 1.7mm is sieve percent by mass min.-99.0 to be delivered at phe stores of jorhat, dibrugarh, hojai & marigaon division at jorhat, dibrugarh, hojai & marigaon