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Determination of Acid Insoluble Ash_A Complete Procedure (AOAC 941.12 & Ph. Int. (WHO), 2019 

MicroChem's Experiments
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Acid-insoluble ash consists primarily of silica and silicates. The Acid Insoluble Ash content is the proportion of a sample that is not hydrolysed by 40% HCl and is not subsequently volatilised upon the incineration of this Acid Insoluble Residue. This video represent a complete procedure for the determination of Acid Insoluble Ash of a sample.
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10 сен 2024

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Комментарии : 109   
@sakibhasan08
@sakibhasan08 Год назад
Step -5 Here we take acid insoluble ash weigt. In this ash, filter paper ash is present. Why don’t we exclude it? If you measure in this way, the measurement can not be average?
@MicroChemsExperiments
@MicroChemsExperiments Год назад
We used Ashless filter paper. Ash of filter paper can be seen but the ash is without any significant weight.
@sakibhasan08
@sakibhasan08 Год назад
@@MicroChemsExperiments ohh. Thank you🥰
@aasifansari6346
@aasifansari6346 2 месяца назад
What acid is used dilute or concentrated
@MicroChemsExperiments
@MicroChemsExperiments 2 месяца назад
Everything is described in this video. Watch the video again
@arjundiwakar8491
@arjundiwakar8491 2 месяца назад
What is the normality use for preparing 40%solutin
@ofosuaanyarko6153
@ofosuaanyarko6153 5 месяцев назад
Thanks for the video, very insightful. But please, what of the soluble ash, how is it calculated?
@populartheories
@populartheories 5 месяцев назад
Then why we prepared 100 ml 40% hcl solution if required only 25ml for boiling
@zubairamin8288
@zubairamin8288 Месяц назад
We have to make only 25 ml of 40% hcl
@santheepselvaraj427
@santheepselvaraj427 2 месяца назад
How to determinate mb value of carban?
@IrfanAli-xy5bf
@IrfanAli-xy5bf 3 года назад
I am very impressed with your easy methods with calculation. So nice of you. Miss can you share the acidity of extracted fat experiment for bakery product. I shall wait for you positive response. Thanks.
@MicroChemsExperiments
@MicroChemsExperiments 3 года назад
Irfan Ali, Thank you for your comment. I can guide you to the experiment you mentioned. Videos are already uploaded. Do the following: 1. First extract the fat of bakery product following our video entitled "Determination of Crude Fat" (You can find the video of fat extraction in our playlist 'Proximate Analysis' 2. After fat extraction, determine the acid value of the extracted fat following our video entitled "Determination of Acid Value and Free Fatty Acid" (Check our video list to find the acid value) ****In this way, you can determine the acidity of extracted fat experiment for bakery product.
@b_rabbitt9832
@b_rabbitt9832 3 года назад
Shouldn't the weight of filter paper be considered here, the final weight when the crucible weight is subtracted, we get the weight of acid insoluble ash+filter paper, right?
@MicroChemsExperiments
@MicroChemsExperiments 3 года назад
We used Ashless filter paper. The ash of the filter paper is weightless. Thats why we did not consider the ash of the filter paper
@b_rabbitt9832
@b_rabbitt9832 3 года назад
@@MicroChemsExperiments gotchya👍
@b_rabbitt9832
@b_rabbitt9832 3 года назад
@@MicroChemsExperiments how is it weightless though? The matter is still there!
@MicroChemsExperiments
@MicroChemsExperiments 3 года назад
@@b_rabbitt9832 That material has no weight after becoming Ash. Search on google by "Ashless Filter Paper" for more. You can set an experiment in your lab to search weight of Ash of that type of filter paper.
@b_rabbitt9832
@b_rabbitt9832 3 года назад
@@MicroChemsExperiments I did and it was weightless, I will search on google though, thanks
@fadumoladan
@fadumoladan 3 года назад
Thank you for your experience benefit vedio
@MicroChemsExperiments
@MicroChemsExperiments 3 года назад
Thanks again
@user-yl6xk2kj4u
@user-yl6xk2kj4u Год назад
What if If I do not have an ashless filter paper close. And can I use this method for checking ash content in feed pellets?
@MicroChemsExperiments
@MicroChemsExperiments 11 месяцев назад
Use normal filter paper and make ash of that same size of filter paper (blank) separately. Substact blank weight from sample.
@paleypandu1548
@paleypandu1548 2 года назад
Super I'm learning and recalling
@MicroChemsExperiments
@MicroChemsExperiments 2 года назад
Thank you
@jenijeni1329
@jenijeni1329 3 месяца назад
Is this common for all food samples
@MicroChemsExperiments
@MicroChemsExperiments 3 месяца назад
Yes
@ushansanjula2504
@ushansanjula2504 Год назад
Hey shouldn't we substract the weight of the filter paper from 'w2' ?
@MicroChemsExperiments
@MicroChemsExperiments Год назад
No. We used an ashless filter paper. So weight of the filter paper after burning is zero
@sangeetakamatar6985
@sangeetakamatar6985 Год назад
Nice explanation
@MicroChemsExperiments
@MicroChemsExperiments Год назад
Thank you
@Samuraijack113
@Samuraijack113 3 года назад
Well explained .Can you upload video of other parameters like crude fiber, water extract in tea etc
@MicroChemsExperiments
@MicroChemsExperiments 3 года назад
Already uploded the method of crude fiber. Link: ru-vid.com/video/%D0%B2%D0%B8%D0%B4%D0%B5%D0%BE-p1a3kctJuIs.html
@KailashKumar-wi8pf
@KailashKumar-wi8pf 8 месяцев назад
Total ash canten
@yousraboukssessa4849
@yousraboukssessa4849 2 года назад
Hello .I am looking for the purpose of this control. and on what samples on sconces. did you have the water insoluble ash method for spices. thanks you
@MicroChemsExperiments
@MicroChemsExperiments 2 года назад
This test represents the type of minerals in a sample left after dissolving in acid. We tested feed sample in this video. You can determine the Water insoluble ash by following video except you have to use hot water in place of HCl solution.
@yousraboukssessa4849
@yousraboukssessa4849 2 года назад
@@MicroChemsExperiments thank you very much i learned a lot with you
@Vg_11849
@Vg_11849 3 года назад
If Acid insoluble ash is 0.47% then total ash of flour also receiving as 0.40 to 0.50%, need clarity on it pls
@MicroChemsExperiments
@MicroChemsExperiments 3 года назад
Acid insoluble ash must be less from the total ash. Acid insoluble ash depends and varies with different quality of sample.
@kishorbhure7582
@kishorbhure7582 2 года назад
Thanks 👍
@MicroChemsExperiments
@MicroChemsExperiments Год назад
Welcome
@Samuraijack113
@Samuraijack113 3 года назад
What is it mean by acid insoluble ash? Pls give me answer
@MicroChemsExperiments
@MicroChemsExperiments 3 года назад
The ash which is not dissolve or solubilize in acid solution.
@ParamedicTutor
@ParamedicTutor 3 года назад
Dear youtuber, can you plz explain me why do we need to do acid insoluble ash for foods??
@MicroChemsExperiments
@MicroChemsExperiments 3 года назад
Om Prakash, Thank you for your comment. We need to know the acid insoluble content of food to know the amount of minerals, present in a food sample, which is not hydrolysed by the acid.
@dalalalka1894
@dalalalka1894 3 года назад
Hi, how long it takes approximately to get the result??
@MicroChemsExperiments
@MicroChemsExperiments 3 года назад
Cooling of furnace needs time. So about 26 hours needed in total.
@JoshiNirav30
@JoshiNirav30 3 года назад
Which type of whatman filter paper is used?
@MicroChemsExperiments
@MicroChemsExperiments 3 года назад
Joshi Nirav, Thanks for commenting here. Ashless whatman paper should be used. Full properties of the filter paper is shown in the cover of the filter paper in this video. Please take a look at it.
@Vg_11849
@Vg_11849 3 года назад
Whatman # 42 used in this test
@abuhureyraat-tijani6113
@abuhureyraat-tijani6113 Год назад
Thanku ma'am
@MicroChemsExperiments
@MicroChemsExperiments Год назад
Welcome
@sakirhossain2016
@sakirhossain2016 3 года назад
But, filter paper's weight is mixed with the content??!
@MicroChemsExperiments
@MicroChemsExperiments 3 года назад
Samir Sakir, we used ashless filter paper. So the weight of filter paper ash is zero. Thats why no weight of filter paper will be counted in the final ash content.
@sakirhossain2016
@sakirhossain2016 3 года назад
@@MicroChemsExperiments Thank you,I got it❤️
@MicroChemsExperiments
@MicroChemsExperiments 3 года назад
You are most welcome. Stay with us
@IrfanAli-xy5bf
@IrfanAli-xy5bf 3 года назад
Hi. Hope you are doing well. I have little query regarding this test method. I have reviewed different method for the same Test. Question is there why are you ignored moisture content in this test method. I have faced incorrect results for biscuits by your method. Kindly advise me.
@MicroChemsExperiments
@MicroChemsExperiments 3 года назад
This method is developed following the AOAC method strictly. No change is done. So dont keep confusion about the method. And moisture content is different thing, why would I consider moisture in Ash testing? But if you want to test your sample on dry basis then remove the moisture content from the sample first. Then take sample for Acid Indoluble Ash test. But dont forget to mention in your report that you did the test on dry basis. Thank you.
@IrfanAli-xy5bf
@IrfanAli-xy5bf 3 года назад
Sir. I am not challenging to yours methods. My concern is why are they are counting moisture and show in calculation for creating confusion.
@MicroChemsExperiments
@MicroChemsExperiments 3 года назад
@@IrfanAli-xy5bf AOAC method is world's best analytical method. AOAC did not consider moisture. May I ask you, in which method you got to consider moisture content?
@IrfanAli-xy5bf
@IrfanAli-xy5bf 3 года назад
Sir. Actually I am lab analyst in biscuit industry, so am wanting to determine the acid insoluble ash in biscuit. Then I followed to fassi methods for cereal ( biscuits , on page no 28 ) in this method they have to calculate the moisture content in formula. Sir you can see.
@MicroChemsExperiments
@MicroChemsExperiments 3 года назад
@@IrfanAli-xy5bf Ok I got it. If they consider moisture content then their result will be on dry basis. You can also consider moisture content in the calculation then you have to mention in your test report that you have analyzed your sample on dry basis. But if you analyze following my method then you dont have to mention anything. Because In AOAC the moisture is not considered.
@devendranamdev4179
@devendranamdev4179 3 года назад
Filter paper ka bhi weight aa gya hoga last me? Filter paper ka weight nhi liya tha apne phle??
@MicroChemsExperiments
@MicroChemsExperiments 3 года назад
Filter paper ash is not included because this is ashless filter paper. After making ash, the weight of filter paper will be zero.
@devendranamdev4179
@devendranamdev4179 3 года назад
@@MicroChemsExperiments ok thanks
@MicroChemsExperiments
@MicroChemsExperiments 3 года назад
@@devendranamdev4179 You are welcome
@Ashok-oc5xw
@Ashok-oc5xw 2 года назад
Can you upload video about calcium and phosphorus analysis
@MicroChemsExperiments
@MicroChemsExperiments 2 года назад
We will make video for calcium and phosphorus analysis using AAS
@sumitmishra3939
@sumitmishra3939 Год назад
Is this method capable of testing maida?
@MicroChemsExperiments
@MicroChemsExperiments Год назад
Yes
@sumitmishra3939
@sumitmishra3939 Год назад
Hydrochloric acid percentage will be the same for flour testing also.?
@MicroChemsExperiments
@MicroChemsExperiments Год назад
@@sumitmishra3939 yes
@Wardi_lovers
@Wardi_lovers 3 года назад
Can you upload a full video on determination of Sugar present in sample 🙏🏻❤️
@MicroChemsExperiments
@MicroChemsExperiments 3 года назад
Thanks for your comment. Noted. We will work on it soon. Stay with us.
@anbarulhaque4720
@anbarulhaque4720 2 года назад
3.21 cfu/g is my reading .: Then how many colonies are there
@MicroChemsExperiments
@MicroChemsExperiments 2 года назад
There are about 3 colonies in 1g of your sample.
@suryaprakash9249
@suryaprakash9249 2 года назад
What is the method name?
@MicroChemsExperiments
@MicroChemsExperiments 2 года назад
Given in the Title of this video
@MohamedIbrahim-qq5fm
@MohamedIbrahim-qq5fm Год назад
I need calcium and phosphorus analysis in feed please
@MicroChemsExperiments
@MicroChemsExperiments Год назад
Noted
@ParamedicTutor
@ParamedicTutor 3 года назад
Please upload sucrose content and sulfur dioxide content estimation in foods like sugar, jaggery please
@MicroChemsExperiments
@MicroChemsExperiments 3 года назад
Om Prakash, Noted your asking test parameters. We will work on it soon. Stay with us.
@arzoosundrani1415
@arzoosundrani1415 3 года назад
Why 40% HCL used?
@MicroChemsExperiments
@MicroChemsExperiments 3 года назад
40% HCl is used to dissolve the maximum ash content in acid which is passes through the filter paper with acid solution during filtration. Ash content which does not dissolved in 40% HCl trapped and retained on filter paper which further quatified as Acid Insoluble Ash.
@gerheart33
@gerheart33 Год назад
can you use 10% HCl
@MicroChemsExperiments
@MicroChemsExperiments Год назад
No
@ranjangiri7687
@ranjangiri7687 2 года назад
Desiccator ????
@MicroChemsExperiments
@MicroChemsExperiments 2 года назад
Desiccator is used for cooling preventing moisture absorption.
@mohammedmousa9540
@mohammedmousa9540 2 года назад
Sorry, what is the use of this analysis?
@MicroChemsExperiments
@MicroChemsExperiments 2 года назад
Please ask question related to the test/experiment, if you have. Btw you can take help from Google to find your answer. Thank you for being with us.
@amangul6529
@amangul6529 3 года назад
Kindly detemine procedure for crude fiber using fiber tech
@MicroChemsExperiments
@MicroChemsExperiments 3 года назад
Noted. Stay with us.
@biswajitdhara223
@biswajitdhara223 2 года назад
Germ oil of maida testing video din
@MicroChemsExperiments
@MicroChemsExperiments 2 года назад
Noted
@biswajitdhara223
@biswajitdhara223 2 года назад
Germ oil index of maida video din
@MicroChemsExperiments
@MicroChemsExperiments 2 года назад
Noted
@rajendrarayane3248
@rajendrarayane3248 3 года назад
Please bellier turbidity tepmratur test bttt
@MicroChemsExperiments
@MicroChemsExperiments 3 года назад
Noted
@amangul6529
@amangul6529 3 года назад
Kindly detemine total dietary fiber , soluble and insoluble fibers of food like cake etc
@MicroChemsExperiments
@MicroChemsExperiments 3 года назад
Noted. Stay with us.
@seemachaurasia555
@seemachaurasia555 3 месяца назад
Hindi mai bataya karo
@RishabhSharma-wy9qg
@RishabhSharma-wy9qg 2 года назад
what a fake accent.lol
@MicroChemsExperiments
@MicroChemsExperiments 2 года назад
If you don't like, plz skip
@RishabhSharma-wy9qg
@RishabhSharma-wy9qg 2 года назад
@@MicroChemsExperiments 😂😂 Good work by the way. Balance मेशन 😂
@MicroChemsExperiments
@MicroChemsExperiments 2 года назад
@@RishabhSharma-wy9qg thanks for your appreciation. Plz just learn the experiment
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