Development of Flow Injection Spectrophotometric Method for 1-Napthylthiourea Using Sodium Nitrite and Sulphanilic Acid Diazotization Reaction

<div>Optimised FI spectrophotometric manifold for the determination of ANTU. Carrier, 0.25% (v/v) ethanol solution containing 75 mM sodium hydroxide; R1, 50 mM sodium nitrite solution; R2, 100 mM sulphanilic acid solution; PP, peristaltic pump; IV, injection valve; RC-I, reaction coil-I, 200 cm; RC-II, reaction coil-II, 150 cm; CR, chart recorder.</div>

Journal of Spectroscopy

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Figure 2: Development of Flow Injection Spectrophotometric Method for 1-Napthylthiourea Using Sodium Nitrite and Sulphanilic Acid Diazotization Reaction 

Figure 2 | Development of Flow Injection Spectrophotometric Method for 1-Napthylthiourea Using Sodium Nitrite and Sulphanilic Acid Diazotization Reaction 