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During Soundness testing of Cement by Lechatelier method the Cement mould expands about 20 mm when merged in curing water for 24 hours after mould preparation.In that Cement MgO content is about 3.0%,SO3 is about 2.6% & Blaine is about 360 M2/Kg.Guess the reason & suggest solution.
3020As per X-ray Fluorescence theory, when material particle is irradiated with X-ray the electron of innermost orbital of that element atom is exited and emits outside of the atom as photoelecrons, living behind a hole in innermost orbital . This hole is filled by outer orbital electrons. The question is that finely what happens to that photo electon which is emitted outside of the atom?
1 4150In testing of Cement the formula for water requirement for setting time is as below- Water required for setting time = NC x 0.85 The question is that what is the logic of 0.85 in this formula??
2379if two miscible liquids are each found to boil at the same temperature, could you safely conclude that they are identical?
2 15989
Which are the diffrent grades of api in pharma?
What is the range of uv & vis lamp in spectrophotometer?
Protactinium is part of the actinide series. Discuss the significance of this series and its implications for nuclear chemistry.
why digestion require in icpms?
Explain how many moles of hcl are present in .70 l of a .33 m hcl solution?
IS THERE ANY EQUIPMENT TO CHECK AND CALCULATE THE POLARITY OF A LIQUID?
What are the other ways in which chemists can manipulate the properties of polymers? : Polymer Chemistry
If vendor having more imp than monograph then how to proceed? and how to set spec?
What is the white precipitate produced at the end of point?
hi friends, dis is ramana reddy.i have been workining in bulk drugs as QC chemist.i would like 2 change d company.but our company didn't give d OFFER LETTER,APPOINTMENT LETTER,PAY SLIP.if any body has these documents along with sample RESUME,pls send 2 my mail id i.e ramanareddy.sdpl@ymail.com
why we use glass fiber filters use in some situation?
How can Protactinium isotopes be used in the creation of neutron-rich targets for various experiments and studies?
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when are the result of sbi clerical come
