supply of 1 digital ph meter 2 buffer capsule ph 7 3 buffer capsule ph 4 4 buffer capsule ph 9.2 5 chloride kit 6 hardness kit 7 sulphate kit 8 sulphuric acid 9 phenopthalein indicator 10 methyl red indicator 11 mixed indicator 12 sodium hydroxide solution 13 methyl orange indicator 14 ethyl alcohol 15 isopropyle alcohol 16 alkanity test kit 17 acidity test kit 18 digital turbidity meter 19 ph meter pocket type
