related study q's

• in coulometric method, Constant electric charge passed between silver generator electrodes (coulometric component)
• in coulometric method, nitric acid aids in conductivity
• in coulometric chloride, acetic acid decreases polarity
• in coulometric method, Gelatin aids in constant release of silver ions
• in coulometric method, thymol is pH indicator – turns diluting solution pink
• Samples that are acceptable for chloride determination: serum, plasma, urine, sweat
• Interference for both coulometric-amperometric and ion-selective electrode method: other ions, such as other halides and organic anions, can interfere
• colorimetric method of chloride determination

  A) HgSCN

  B) Cl-

  C) HgCl

  D) SCN-

  E) Fe3+

  F) Fe(SCN)3

  
• SCN is thiocyanate