supply of chemicals and instrument requirement for nabl dabra lab district gwalior- 1 universal ph indicator solution 2 ph buffer standard for 4.0 certfied std. 3 ph buffer standard for 7.0 certfied std. 4 ph buffer standard for 9.2 certfied std. 5 sodium hydroxide 1n 6 sulphuric acid n / 50 7 burette automatic amber cap 50 ml reservoir cap 2 ltr. with burette pump class a 8 hydrometer for specific gravity measurement range 1-2 point graduation interval 0.1 ml with nabl calibration certificate. 9 humidity and temperature meter display with nabl calibration certificate, ( hydrometer ) 10 ph meter calibration by 17043 calibration lab. ( systronic ) 11 t.d.s.meter calibration by 17043 calibration lab. ( systronic ) 12 turbiditymeter calibration by 17043 calibration lab. ( systronic ) 13 laboratory thermometer wall hanging 14 weight box for digital weighing balance