Hey there! We receieved your request
Stay Tuned as we are going to contact you within 1 Hour
One of our academic counsellors will contact you within 1 working day.
Click to Chat
1800-5470-145
+91 7353221155
Use Coupon: CART20 and get 20% off on all online Study Material
Complete Your Registration (Step 2 of 2 )
Sit and relax as our customer representative will contact you within 1 business day
OTP to be sent to Change
gold number is measurement of efficiency of the protective colloid, how and why? Explain it.
gold number is a term used in colloidal chemistry. it is defined as the number of milli grams of the protective colloid that will just prevent the coagulation of 10ml gold sol on the addition of 1 ml 10 percent sodium chloride solution. coagulation of gold sol is indicated by colour change from red to blue when particle size just increases. eg. gold number for some protective colloids are given below gelatin:0.005-0.01Haemoglobin :0.03-0.07egg albumin:0.1-0.2potato starch:20-25 hope u are satisfied with the answer. for further clarification of technical terms please refer surface chemistry.
PLEASE APPROVE MY ANSWER!!
Get your questions answered by the expert for free
You will get reply from our expert in sometime.
We will notify you when Our expert answers your question. To View your Question
Win Gift vouchers upto Rs 500/-
Register Yourself for a FREE Demo Class by Top IITians & Medical Experts Today !