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Quality assurance of test results is one of the topical issues of analytical laboratories functioning. Scientifically reasonable criteria and recommendations in relation to the scheme and quality control of pharmacopoeial tests results by volumetric titra... see more

Analytical chemistry and qualitative-quantitative analysis practices have an important place in chemistry education. Operations such as experimental steps in volumetric analysis, reactions, and determining the amount of matter require problem-solving and ... see more

Acetyl salicylic acid (ASA), a non-steroidal anti-inflammatory drug (NSAID) is widely used for its analgesic, antipyretic, antiinflammatory and anti-thrombotic action. The aim of the present study was to investigate the pharmaceutical equivalence of two b... see more

Yogurt is a fermentation milk product with bacteria Streptococcus thermophillus and Lactobacillus bulgariccus which has been commonly used in the process of making yogurt. The purpose of this study was to determine the effect of fermentation on the levels... see more

Objective: To compare the efficacy and side effects of sufentanil and morphine titration for patient-controlled subcutaneous analgesia (PCSA) in severe advanced cancer pain management.Methods: A retrospective analysis was performed on the patients who wer... see more

Determination of surface acidity on the natural and synthetic montmorillonite clays has been carried out using the acid-base titration method to count the number of bound acid sites per gram of clay. The total acidity of natural and synthetic montmorillon... see more

Bài báo trình bày k? thu?t Particle và Volumetric áp d?ng mô ph?ng mây trong d? h?a ba chi?u. Qua cài d?t và th?c nghi?m, Particle và Volumetric th? hi?n nh?ng uu di?m và nhu?c di?m khác nhau khi mô ph?ng. Trong dó, Particle cho phép tính toán nhanh và hì... see more

This study aims to determine the improvement of students 'critical thinking skills in the acid-base titration material and to know the description of students' responses to learning to search, solve, create, and share. This study used an experimental meth... see more

Methodics of identification of salicylic acid and lactic acid combined with cream of chemical tests are offered. Designed methodics of quantitative determination of salicylic acid in cream by means of method of reverse bromatometry and amount of component... see more

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