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Chemistry Forums for Students => Undergraduate General Chemistry Forum => Topic started by: kiloa on February 21, 2020, 01:11:07 PM

Title: Determination of phosphorus by Quimociac Reagent ?
Post by: kiloa on February 21, 2020, 01:11:07 PM
hello everybody,
I face a problem with this determination as the following, effervescence of sample aliquote after adding Quimociac Reagent!!. i want to know the reason, kindly guide me. 
Title: Re: Determination of phosphorus by Quimociac Reagent ?
Post by: chenbeier on February 21, 2020, 02:42:35 PM
To less information
Title: Re: Determination of phosphorus by Quimociac Reagent ?
Post by: kiloa on February 21, 2020, 03:08:03 PM
To less information
after digesting solid sample with HNo3 and HCL , take 10 ml of digested solution then add 50 ml quimociac reagent to precipitate phosphorous , at this point when i add quimociac reagent the sample solution is effervescence.
Title: Re: Determination of phosphorus by Quimociac Reagent ?
Post by: chenbeier on February 21, 2020, 03:11:40 PM
Probably the quimociac is broken. Did you check with a new so├čution.
Title: Re: Determination of phosphorus by Quimociac Reagent ?
Post by: kiloa on February 22, 2020, 06:01:01 AM
Probably the quimociac is broken. Did you check with a new so├čution.
i don't know but the precipitation is formed. you mean check with new prepared reagent or new sample solution?
Title: Re: Determination of phosphorus by Quimociac Reagent ?
Post by: chenbeier on February 22, 2020, 04:07:09 PM
Probably both.