Monthly Archives: August 2017

Disposable latex gloves offer limited protection. (Rachel Haller, Flickr)
Everyone knows it’s important to choose the right size of glove, but fit isn’t the consideration for glove selection. Choosing the right material is critical for protection from chemicals, biological agents, heat, and cold.The first step for selecting the proper glove for the job is identifying the hazards. Ask yourself: […]

Handy Glove Selection Guide for Scientific Research

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A glycerite is a preparation made using glycerin as a solvent. (Yourbestdigs, Flickr)
Glycerite Definition: A glycerite is an extract prepared by soaking a sample in glycerin or a glycerin solution. Either vegetable-based or animal-based glycerin may be used, though it is customary to use plant-based glycerin to prepare herbal glycerites. Advantages: Some chemical compounds are more soluble in glycerin than in water or alcohol, […]

What Is a Glycerite? Definition and Preparation

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Hess's Law Example Problem Abstract Energy Cube
Hess’s law of constant heat summation, or Hess’s law for short is a relationship describing the enthalpy change of a reaction. The total enthalpy change of a reaction is the sum of total enthalpies for each step of the reaction and is independent of the order of the steps. Basically, […]

Hess’s Law Example Problem

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