Details: description of the itemsupply & delivery of cskcl - conductivity standard (1413 µ siemans / cm @ 25°c)supply & delivery of ph buffer solution ph 4.00 ±0.01 @ 25°csupply & delivery of ph buffer solution ph7.00 ± 0.01 @ 25°csupply & delivery of ph buffer solution ph 9.18 @ 25°csupply & delivery of 0.02n caco3 - cacl2001 - analytical volumetric solution calcium chloride 0.02n, 0.01msupply & delivery of 0.1n na2co3 - sc20051- analytical volumetric solution sodium carbonate 0.1n, 0.05msupply & delivery of 0.1n nacl - nacl2011 analytical volumetric solution sodium chloride 0.1n, 0.1msupply & delivery of pre filled solution of holmium oxide – rspec 00151 – spectro photometry holmium oxide solution uv and visible wavelength standard 240nm to 640nm - traceable to another national or international standard (eg oiml)supply & delivery of 1000 ppm nitrate standard 1.19811.0500 traceable to srm nist makesupply & delivery of 1000 ppm sulphate standard 1.19811.0500 traceble to srm from nist m
Sector: Water supply and Sewerage