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Extracting the citric acid from lemons
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6,352,211 Views • Jan 14, 2017 • Click to toggle off description
Today we are extracting citric acid from some large large lemons. Citric acid is quite a useful molecule in general, but I don't have any particular uses for it. It is mostly used as a pH buffering agent in chemistry and isn't use in direct synthesis.

A buffering solution is a solution that resists pH change. It is useful in synthesis when you need to keep the pH relatively constant during a reaction.

In my Cadaverine video, I used citric acid to make a pH buffer solution:    • Making cadaverine  

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Views : 6,352,211
Genre: Science & Technology
Date of upload: Jan 14, 2017 ^^


Rating : 4.914 (2,484/112,400 LTDR)
RYD date created : 2022-04-09T21:43:14.051173Z
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YouTube Comments - 5,173 Comments

Top Comments of this video!! :3

@koooyle5334

5 years ago

when life gives you lemons, extract citric acid.

18K |

@Arctic_and_The_F0X

3 years ago

I love how formal he is about juicing lemons

3.2K |

@NuttyCuts_

2 years ago

“When life gives you lemons, make methamphetamine” -Sun Tzu

650 |

@jay8762

2 years ago

the urge not to drink the whole thing must have been overwhelming. Thanks for staying strong nigel

513 |

@flame3723

4 years ago

idk why but he reminds me of Bob Ross, the chemist version lol 'If the ph is a little higher than 9 that's ok', 'I'm not sure how much I added', 'will make a nice orange color'

5.1K |

@JustARedDog

2 years ago

Alternate title: Science man messes up his lemonade

1.3K |

@spiderdude2099

2 years ago

For a purer product, it probably would be a good idea to re boil the calcium citrate in fresh distilled water after filtering, washing and drying in the frit, then filtering again after a short boil. This should really clean the calcium citrate for the reacidification step.

75 |

@ArtsyKnox25

1 year ago

I can sleep to his videos all day, and watch them all day too. His voice is soothing and he explains things very well. It's nice to hear before I fall asleep and in the morning waking back up to another of his videos. These are super well done, very educational, and entertaining, but also can put me to sleep because it's just such a soothing thing to hear! I dunno why I'm like this- HELP-

23 |

@bingbangitsprime2901

4 years ago

My science teacher showed us this video in class but I had already seen it, so I watched it again, in class and enjoyed it even more.

2.6K |

@WeeabooShipPoster

6 years ago

ok but, how about extracting potassium from Bananas?

3.6K |

@ethankoeus9581

1 year ago

I've used citric acid before as a metal chelator in reactions which are sensitive to the presence of said ions, or in reactions where something might oxidise. I've used citric acid to chelate iron ions in solution when synthesising potassium salicylate (I was attempting to synthesise a soluble salicylate salt) as well as to slow the oxidation of salicylate in the presence of light.

103 |

@YourBeety

2 years ago

“Citric acid is present in many fruits but has the highest concentration in citrus fruits” mm yes, this floor seems to be made of floor

94 |

@slickish8845

3 years ago

"A glass stir rod is added to the beaker." Like its an ingredient lol.

1.8K |

@mrt4091

5 years ago

My dad heard me listening to this and asked what drugs im trying to make...

1.8K |

@shridharsarraf2188

2 years ago

We had an assignment last week based on industrial and microbial production of Citric Acid. Nice to see it in practical too

11 |

@BankruptMonkey

2 years ago

I love this! I can't use most store bought citric acid because it's usually made from corn which I have a major allergy to, so now I can finally make all the bath bombs and food and beauty products my little heart desires!

72 |

@brentoctaviano7059

3 years ago

So we used 2 acids to extract a single acid... p r o f i t

1.4K |

@techrvl9406

3 years ago

You say citric acid, but I see L E M O N M E T H

1.1K |

@hykalia7650

1 year ago

You've come a long way my dude, congrats on your success!

1 |

@oak_corvum

2 years ago

what amazes me is this dude's patience- I could never wait for 2 weeks like that

1 |

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