Providing & supplying of certified reference material (c.r.m.) - Nitrate standard solution traceable to SI Unit, (NaNO3 in H2O 1000 mg/l NO3 ¯) (1*500ml), Sulphate standard solution traceable to SI unit, (Na2SO4 in H2O 1000 mg/l SO42 ¯ )(1*500ml), Potassium chloride solution (nominal 0.147mS/cm) certified reference material for the measurement of electrolytic conductivity traceable to SI unit, (c = 0.001 mol/l)(1*500ml), Potassium chloride solution (nominal 1.41mS/cm) certified reference, material for the measurement of electrolytic conductivity, traceable to SI unit, (c = 0.01 mol/l) (1*500ml), Potassium chloride solution (nominal 12.8mS/cm) certified reference, material for the measurement of electrolytic conductivity traceable to SI unit (c = 0.1 mol/l) (30*30ml/(1 ltr)), pH Buffer solution 10.00 (25°C) (boric acid/potassium chloride/ sodium hydroxide), traceable to SI unit. 1 Liter /(30*30ml), pH Buffer solution 7.00(25°C) (potassium dihydrogen phosphate/di-sodium hydrogen phosphate), traceable to SI unit.1 Liter (250ml*4), pH Buffer solution 4.00 (25°C) (potassium hydrogen phthalate), traceable to SI unit.1 Liter (250ml*4), Fluoride standard solution traceable to SI unit (NaF in H2O 1000 mg/l) 500ml, Calcium carbonate volumetric standard, primary/secondary reference, material, traceable to SI unit. 20gm, Platinum Cobalt Colour Reference Solution (HAZEN 500) traceable to SI unit.500ml, Sodium Carbonate volumetric standard primary/secondary reference, material traceable to SI unit.45gm, Potassium dichromate volumetric standard, primary/secondary reference material traceable to SI unit.45gm, Turbidity 4000 NTU Calibration Standard – Formazin, traceable to SI, unit.500ml, Sodium chloride (NaCl) Volumetric Standard, primary/secondary reference material, traceable to SI unit.45gm, 0.45 um Pore - diameter, cellulose membrane filter of 47 mm, diameter.1Pkt(1pkt= 100 circle), 0.2um Pore - diameter, cellulose membrane filter of 47 mm, diameter 1Pkt(1pkt= 100 circle) etc for 81 laboratories of gwssb.
Providing & supplying of certified reference material (c.r.m.) - Nitrate standard solution traceable to SI Unit, (NaNO3 in H2O 1000 mg/l NO3 ¯) (1*500ml), Sulphate standard solution traceable to SI unit, (Na2SO4 in H2O 1000 mg/l SO42 ¯ )(1*500ml), Potassium chloride solution (nominal 0.147mS/cm)
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