Rapid and Sensitive Determination of Trace Chloride Ion in Drinks Using Resonance Light Scattering Technique

Table 2

Determination results of the chloride ion in drinks samples (n = 5).

Samples	RLS (μg mL^−1)	RSD (%)	ISE (μg mL^−1)	RSD (%)
Mineral water
Nongfu spring	20.35	1.31	21.19	3.46
Laoshan	N.D		N.D
Nestlé	37.01	2.43	37.95	1.54
Robust	37.38	1.52	38.53	1.23
Watsons	36.91	2.06	36.40	3.22
Masterkong	38.50	1.33	39.08	1.68
Pure water
Wahaha	N.D		N.D
Nongfu spring	N.D		N.D
Green tea	65.79	1.01	67.06	1.87