Lab Test Search Results

How To: Analyze cheap sulfuric acid for concentration & purity

In this home scientist video the instructor Robert Bruce talks about cheap sulfuric acid. He says that sulfuric acid is very important in any lab both as a reagent and a precursor for preparing other chemicals. He points to the battery acid saying that it is a good source of sulfuric acid which is 35% concentrated. Now he shows various methods to obtained sulfuric acid and shows how to test one of the thus obtained sulfuric acid for its concentration. In this video the author talks about sulf...

How To: Become a dentist

Does dentistry sound of interest to you? If you don’t mind spending the day in other peoples’ mouths, dentistry might just be the career for you. In this video, learn what steps need to be taken to break into the field of dentistry.

How To: Develop C41 black and white or color film at home

With photo labs around the world closing in the wake of the digital camera revolution, knowing how to develop your own film at home is more important than ever. This video teaches you how to develop one type of film, C41, at home using a kit. Even when there are no more photo labs left, you will still be able to make beautiful still prints from film at home after watching this video.

How To: Perform ballistics comparisons

In this scientific video tutorial, undergraduate students in a forensic chemistry lab demonstrate how to use a comparison microscope for bullet and bullet casing comparisons, and color developments tests for impression marking enhancement (such as for filed-off serial numbers). Learn how to perform ballistics comparisons! Just like in CSI.

How To: Color correct images in Photoshop with the LAB tool

Photoshop doesn't just support multiple color spaces, it supports infinite variations on the device-dependent ones. You can open an RGB photo, process it in Lab, and output it to CMYK, with certainty that the conversions will work. Whether you're new to Adobe's popular raster graphics editing software or a seasoned professional just looking to better acquaint yourself with the program and its various features and filters, you're sure to be well served by this video tutorial. For more informat...

The Giving Plant: Same Asian Plant Used for Arthritis Treatment Gives Us Powerful HIV Drug

Natural remedies used through the ages abound, especially in Asian medicine. The willow-leaved justicia plant, found throughout Southeast Asia, has traditionally been used to treat arthritis, but scientists have just discovered it contains an anti-HIVcompound more potent than AZT. AZT was the first drug approved to treat HIV, and is still used in HIV combination therapy today.

How To: Use pipetting techniques in the lab

The Department of Biological Sciences at the University of Alberta brings you this video tutorial specifically relevant to your student laboratory courses, specifically microbiology. If you're a student at any school of biology, this information will be helpful for learning how to use pipetting techniques in the lab.

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