R48. Sodium Bicarbonate Solution. 10% Sodium bicarbonate 100 g Distilled water to make 1 liter
Sterilize by filtration.
R49. 0.2 M Sodium Chloride Solution NaCl 11.7 g Distilled water to make 1 liter
Dispense in suitable containers. Autoclave 15 min at 121°C.
R50. 1 N Sodium Hydroxide Solution NaOH 40 g Distilled water to make 1 liter
Use for adjusting pH of culture media.
R51. 10 N Sodium Hydroxide Solution NaOH 400 g Distilled water to make 1 liter
R52. Standard Saline Citrate (SSC) Solution (20%) NaCl (reagent grade) 175.3 g Sodium citrate 88.2 g
Dissolve in 800 ml deionized water and adjust to pH 7 with 10 N NaOH. Bring volume to 1 liter.