Use of this information is subject to copyright laws and may require the permission of the owner of the information, as described in the ECHA Legal Notice.
EC number: 236-675-5
CAS number: 13463-67-7
The point at which the curve crosses a zeta
potential value of 0 mV is known as the isoelectric point, where the
particles effectively carry no net electrical charge.
Conductivity measurements obtained for each
sample remained fairly consistent from pH 4 to pH 11, which is an
important property for zeta potential measurement. Below pH 4,
conductivity was found to increase markedly, likely due to the
substantial amounts of HCl needed in order to reach the low pH values.
As a result, the concentration of TiO2 also decreased substantially in
this pH range. In addition, the composition of each of the samples is
not known. It is often found that TiO2 is coated with e.g. Al2O3 or ZrO2
which, especially in the case of Al2O3 exhibit increased solubility at
pH values > pH 10. It is therefore strongly noted that data points below
pH 4 and above pH 10 are unreliable in comparison to the rest of the
Information on Registered Substances comes from registration dossiers which have been assigned a registration number. The assignment of a registration number does however not guarantee that the information in the dossier is correct or that the dossier is compliant with Regulation (EC) No 1907/2006 (the REACH Regulation). This information has not been reviewed or verified by the Agency or any other authority. The content is subject to change without prior notice.Reproduction or further distribution of this information may be subject to copyright protection. Use of the information without obtaining the permission from the owner(s) of the respective information might violate the rights of the owner.
За да гарантираме, че се възползвате максимално от функциите на нашия уебсайт, сме въвели „бисквитки“.
Welcome to the ECHA website. This site is not fully supported in Internet Explorer 7 (and earlier versions). Please upgrade your Internet Explorer to a newer version.
Do not show this message again