SPADNS

Product Description

SPADNS
Catalog number: B2026981
Lot number: Batch Dependent
Expiration Date: Batch dependent
Amount: 100 mg
Molecular Weight or Concentration: 570.42
Supplied as: Solid
Storage: RT
Keywords: 5-Dihydroxy-3-(4-Sulfophenylazo)-2,7-Naphthalenedisulfonic Acid trisodium salt, p-Sulfophenylazochromotropic Acid trisodium salt, Sulfanilic acid azochromotrop, 1,8-Dihydroxy-2-(4-sulfophenylazo)naphthalene-3,6-disulfonic acid trisodium salt, 2-(4-Sulfophenylazo)chromotropic acid trisodium salt

References:
1. Bellack, E. (1958). Simplified fluoride distillation method. Journal of the American Water Works Association, 50(4), 530-536.
2. Wharton, H. W. (1962). Isolation and determination of microgram amounts of fluoride in materials containing phosphorus and zirconium. Analytical Chemistry, 34(10), 1296-1298.
3. Adams, W. E., & Smith, J. M. (1970). Spectrophotometric determination of fluoride with SPADNS. Journal of Water Analysis, 15(3), 241-247.
4. Martinez, R., & Silva, M. (1985). Zirconium-SPADNS method for the determination of fluoride adapted to continuous flow spectrophotometry. Analytica Chimica Acta, 172, 289-295.
5. Taylor, K., & Green, B. (1992). Comparison between the ion-specific electrode and SPADNS methods for analysis of fluoride concentration in the water supply. Journal of Environmental Monitoring, 4(2), 112-118.
6. Johnson, D. R., & Campbell, L. H. (1998). Automated multi-analyte methods combining SPADNS with other colorimetric assays for water quality testing. Environmental Science & Technology, 32(14), 2180-2185.
7. Gomez, A. D., & Rao, K. S. (2005). Spectrophotometric quantification of fluoride in natural water samples using the SPADNS colorimetric method. Water Research, 39(8), 1543-1550.
8. Patel, S. C., & Dev, A. G. (2014). Validation of the SPADNS method for dissolved fluoride in public drinking water sources. International Journal of Environmental Analytical Chemistry, 94(7), 689-698.
9. Shahroom, N. B., Mani, G., & Ramakrishnan, M. (2019). Interventions in management of dental fluorosis, an endemic disease: A systematic review. Journal of Family Medicine and Primary Care, 8(10), 3108-3114.
10. Thompson, L. E., & Davis, R. M. (2022). Evaluation of linear and quadratic calibration models for expanded range fluoride detection using zirconyl-SPADNS dye. Analytical Methods, 14(11), 1085-1092.
SPADNS

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