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Ted Krapkat

Registered User Gladstone, Queensland, Australia. Plant Chemist, Cement Australia.

Re: Role of methanol in free lime test

Hello Norew, I assume you are using a steam bath to boil the gylcol/alcohol solution. This is okay because the boil...

Re: Clinker Stored in an Open Yard

norew: Prior to storage fCao is only 1.98 several days after it was placed in our open yard fCaO rose to 3.57...

Re: Physical Appearances of Clinker and Its Implications

Hello Norew, Do you mean colour? Regards, Ted.

Re: SO3

Hello Norew, Could you elaborate on your question please?  Regards, Ted.

Re: Lime-treated Gypsum

Thanks Raj, Ahaaa, phosphogypsum! I've never heard it called lime-treated gypsum before. :) Here is an interesting...

Re: Zinc in Raw Mix

Hello Dilip, Setting time is is retarded (made longer) not 'reduced'. There are two reasons for this;- 1.Because ...

Re: Role of methanol in free lime test

Hello Dilip, Normally absolute (water-free) ethanol is used to wash the residue of clinker free of filtrate in the ...

Re: Zinc in Raw Mix

Hello Dilip, ZnO in clinker is variously reported as having the following influences on quality;- 1. >1% ZnO - ret...

Re: Lime-treated Gypsum

Hello Norew, Do you know the gypsum content of this stuff? Also, do you know what else may be in it? Regards, Te...

Re: Clinker Stored in an Open Yard

Hello Norew, Dilip is quite correct in that water will affect the Free Lime result of the glycol/ethanol method due...

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