why do some optical brighteners form suspension?

Subject: why do some optical brighteners form suspension?

Date: Mon Jul 12 03:30:58 2010
Posted by AWAIS
Grade level: undergrad School: INDUS INSITUTE OF HIGHER EDUCATION
City: KARACHI State/Province: SINDH Country: PAKISTAN
Area of science: Chemistry
ID: 1278930658.Ch

Message:


As we know that most of the optical brughteneing agent are ionic in their 
nature so why do some optical brightener form suspension in water? some 
important optical brightener agents are:
1.Stilbene 2.Diazole 3. Triazole 4. Coumarins 5.Imidazoles

Also submitted: 
Do optical brighteners contain chromophores?

Re: why do some optical brighteners form suspension?

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