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Detection of indigo

Indigo can be oxidised and reduced according to the following equation and behaves as a reversible system  [Pg.184]

The oxidised form of indigo is only sparingly soluble in aqueous solution, which has serious consequences for electroanalytical purposes. Indeed, oxidising the reduced and water-soluble form of indigo to its insoluble oxidised form results in the formation of a deposited layer of the oxidation product. This causes blocking of the electrode surface and prevents it from further use in electroanalytical applications. However, this problem can be cir- [Pg.184]

Detection of Indigo Carmine and Artificial Organic Dyestuffs. [Pg.351]

Simultaneous detection of indigo and sodium dithionite for control of dyeing processes... [Pg.161]

Pneumolysin Sandwich immunoassay with ALP or HRP labelled antibody using 3-indoxyl phosphate (3-IP) as substrate Cyclic voltammetric detection of indigo carmine (Ey 2 =-0.15 V)... [Pg.514]

Voltammetric detection of indigo carmine formed by ALP from 3-indoxyl phosphate... [Pg.517]

M. Diaz-Gonzalez, C. Fernandez-Sanchez and A. Costa-Garcia, Indirect determination of alkaline phosphatase based on the amperometric detection of indigo carmine at a screen-printed electrode in a flow system, Anal. Sci., 18 (2002) 1209-1213. [Pg.641]

Fig. 3.18. Analysis of a commercial jeans fibre by FT LMMS. Top positive ion mass spectrum bottom detection of indigo in the high-resolution mode from a single shot with a 5 /xm spot. After Van Roy et al. [348]. Reprinted from A. Benning-hoven et al (eds.), Proceedings SIMS IX, Copyright 1994 John Wiley Sons, Ltd. Reproduced with permission. Fig. 3.18. Analysis of a commercial jeans fibre by FT LMMS. Top positive ion mass spectrum bottom detection of indigo in the high-resolution mode from a single shot with a 5 /xm spot. After Van Roy et al. [348]. Reprinted from A. Benning-hoven et al (eds.), Proceedings SIMS IX, Copyright 1994 John Wiley Sons, Ltd. Reproduced with permission.
See other pages where Detection of indigo is mentioned: [Pg.412]    [Pg.163]    [Pg.165]    [Pg.167]    [Pg.169]    [Pg.171]    [Pg.173]    [Pg.175]    [Pg.177]    [Pg.179]    [Pg.181]    [Pg.183]    [Pg.184]    [Pg.185]    [Pg.187]    [Pg.189]    [Pg.191]    [Pg.193]    [Pg.195]    [Pg.197]   


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