WHY MEASURE INVERT SUGAR ? – BACKGROUND Inverted sugar syrup, also called invert syrup is essentially sugar in water. Invert sugar is a mixture of the monosaccharides glucose, and fructose, that is made by hydrolytic saccharification of the disaccharide sucrose. This mixture’s optical rotation is opposite to that of the original sugar, which is why […]
European Pharmacopoeia Essential Oils for Changes Optical Rotation Measurements
Changes to the European Pharmacopoeia Essential Oils regarding Optical Rotation Measurements / Polarimeter Measurements In April 2022 there is a change coming to the European Pharmacopoeia regarding the measurement of essential oils such as Sweet Orange Oil. The revised monograph requires that samples now need to be measured in a 0.1 dm (10mm) length cell […]
Accurate Determination of Sulfuric Acid Concentration
ACCURATE DETERMINATION OF SULFURIC ACID WITHIN THE CHEMICAL, ACCUMULATORS, FERTILIZERS, METAL, AND PLASTICS INDUSTRIES The Density – Concentration Relationship of H2SO4 As the concentration of the Sulfuric Acid increases, the density also increases. This fairly linearrelationship goes from 0% concentration up to approximately 96% or 97%. However, somewhere around 93% the linear relationship starts to […]
ANALYSIS OF CLEANING PRODUCT RAW MATERIALS
Preamble – Measuring Cleaning Product Materials The current crisis is bad, but it is a crisis and will get resolved. One of the left-over effects from it that will persist for many years though is an increased effort on cleaning. Airplane seats, sports venues and even doorknobs on residential houses are going to be subject […]
Measurement of Concentration Dependence of Refractive Index to Confirm Gel Permeation Chromatography Parameter
Measurement of Concentration Dependence of Refractive Index to Confirm Gel Permeation Chromatography Parameter Application Note November 2019 by Gabor Kiss Background: Gel Permeation Chromatography Refractometer One of the workhorse techniques for polymer characterization is Gel Permeation Chromatography (GPC) which is used to measure molecular weight, molecular weight distribution, degree of branching, radius of gyration, solvent […]
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