Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Concept Videos

Washing, Drying, and Ignition of Precipitates00:52

Washing, Drying, and Ignition of Precipitates

4.7K
After filtration, the precipitate is washed to remove coprecipitated impurities and any remaining mother liquor. Colloidal precipitates, such as silver chloride, are washed with an electrolyte (such as dilute nitric acid) to prevent the peptization of the precipitate. In the case of slightly soluble precipitates, the wash solution contains a common ion to reduce solubility. Lead sulfate, which is slightly soluble in water, is washed with dilute sulfuric acid. Similarly, wash solutions may be...
4.7K

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

Josiah Flagg II (1763-1816): An 18th-Century Advertising Broadside and The First Dental Chair.

Journal of the history of dentistry·2026
Same author

Dr. Seuss's TOOTH BOOK: Noteworthy Variations.

Journal of the history of dentistry·2026
Same author

Dr. Scott's Electric Tooth Charmer: A Magnetized Teething Toy.

Journal of the history of dentistry·2025
Same author

Minard's Liniment, King of Pain: for Man or Beast.

Journal of the history of dentistry·2025
Same author

Dr. D. George Knecht - A "Needle Dentist" from Allentown, Pennsylvania.

Journal of the history of dentistry·2025
Same author

The Ted Croll Victorian Era Dental Advertising Trade Card Collection.

Journal of the history of dentistry·2025
Same journal

Master List of References.

Journal of the history of dentistry·2026
Same journal

Eponyms in Dentistry - Periodontics and Oral Microbiology.

Journal of the history of dentistry·2026
Same journal

Eponyms in Dentistry - Restorative Dentistry.

Journal of the history of dentistry·2026
Same journal

Eponyms in Dentistry - Prosthodontics.

Journal of the history of dentistry·2026
Same journal

Eponyms in Dentistry - Orthodontics.

Journal of the history of dentistry·2026
Same journal

Eponyms in Dentistry - Endodontics.

Journal of the history of dentistry·2026
See all related articles

Related Experiment Video

Updated: Dec 19, 2025

Psychophysical Tracking Method to Assess Taste Detection Thresholds in Children, Adolescents, and Adults: The Taste Detection Threshold TDT Test
08:52

Psychophysical Tracking Method to Assess Taste Detection Thresholds in Children, Adolescents, and Adults: The Taste Detection Threshold TDT Test

Published on: April 21, 2021

5.3K

Swanson's Five Drops.

Theodore P Croll1

  • 1Private practice, pediatric dentistry, Doylestown, Pennsylvania Adjunct Professor, Pediatric Dentistry University of Texas Health Science Center at San Antonio (Dental School) Clinical Professor, Pediatric Dentistry Case Western Reserve School of Dental Medicine.

Journal of the History of Dentistry
|June 5, 2020
PubMed
Summary
This summary is machine-generated.

This 1901 brochure for Swanson's Five Drops exemplifies the need for the Pure Food and Drug Act of 1906. The product made sweeping, unsubstantiated claims for curing numerous ailments, highlighting early consumer protection issues.

More Related Videos

Taste Exam: A Brief and Validated Test
07:10

Taste Exam: A Brief and Validated Test

Published on: August 17, 2018

17.0K
The CApillary FEeder Assay Measures Food Intake in Drosophila melanogaster
07:42

The CApillary FEeder Assay Measures Food Intake in Drosophila melanogaster

Published on: March 17, 2017

19.6K

Related Experiment Videos

Last Updated: Dec 19, 2025

Psychophysical Tracking Method to Assess Taste Detection Thresholds in Children, Adolescents, and Adults: The Taste Detection Threshold TDT Test
08:52

Psychophysical Tracking Method to Assess Taste Detection Thresholds in Children, Adolescents, and Adults: The Taste Detection Threshold TDT Test

Published on: April 21, 2021

5.3K
Taste Exam: A Brief and Validated Test
07:10

Taste Exam: A Brief and Validated Test

Published on: August 17, 2018

17.0K
The CApillary FEeder Assay Measures Food Intake in Drosophila melanogaster
07:42

The CApillary FEeder Assay Measures Food Intake in Drosophila melanogaster

Published on: March 17, 2017

19.6K

Area of Science:

  • Medical History
  • Public Health Policy
  • History of Pharmacology

Background:

  • The Pure Food and Drug Act of 1906 was landmark legislation aimed at protecting consumers from adulterated or misbranded food and drugs.
  • Prior to federal regulation, the market was flooded with patent medicines making extraordinary and often fraudulent health claims.

Observation:

  • A 1901 foldover brochure for SWANSON'S RHEUMATIC CURE CO. advertised "FIVE DROP" REMEDIES.
  • The brochure claimed the product was a "faithful guardian" capable of curing a vast array of conditions, including rheumatism, sciatica, neuralgia, asthma, and toothache.

Findings:

  • Swanson's Five Drops were marketed with exaggerated efficacy claims, typical of unregulated remedies of the era.
  • The product's purported ability to cure numerous, diverse ailments without scientific basis underscores the dangers of the pre-regulation marketplace.

Implications:

  • This historical example demonstrates the critical need for regulatory oversight in the pharmaceutical industry.
  • The Pure Food and Drug Act of 1906 was essential for ensuring drug safety and preventing deceptive marketing practices.
  • Studying such historical cases informs current understanding of consumer protection and public health advancements.