Results 41 to 50 of about 4,389 (243)
Quantitation Methods of Thermopsis Alkaloids: A Review
Регуляторные исследования и экспертиза лекарственных средствINTRODUCTION. The major alkaloids of Thermopsis lanceolata R. Br. herb are thermopsine (N-methylcytisine), pachycarpine, and anagyrine, while the seeds predominantly contain cytisine used to treat tobacco addiction. Differing toxicity and pharmacological
N. P. Antonova +4 more
doaj +1 more source
Microtitrimetric determination of a drug content of pharmaceuticals containing olanzapine in non-aqueous medium [PDF]
Chemical Industry and Chemical Engineering Quarterly, 2009 Two simple, rapid, reliable and cost-effective methods based on titrimetry in non-aqueous medium are described for the determination of olanzapine in pharmaceuticals.
KANAKAPURA BASAVAIAH +2 more
doaj
Journal of Geophysical Research: Biogeosciences, Volume 130, Issue 10, October 2025.Abstract Globally, nutrient enriched water bodies are major contributors to the aquatic greenhouse gases (GHG) efflux to atmosphere. However, few efforts have focused on assessing the contribution from coastal transitional ecosystems in Africa. To improve our knowledge of these systems, we investigated emissions in Lake Nokoué, a coastal lagoon in ...
S. K. d. L. Ague +3 more
wiley +1 more source
Ion Analysis at the Highest Stage - The Metrological Approach by National Metrological Institutes [PDF]
, 2018 .: National Metrological Institutes (NMI's) from fifteen different countries participated in interlaboratory comparisons where concentrations of about 1 g kg−1 in solutions of aluminium, copper, iron, magnesium, chloride and phosphate were measured.
Felber, Helene, Weber, Michael
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Safety of rapeseed protein–fibre concentrate as a novel food pursuant to Regulation (EU) 2015/2283
EFSA Journal, Volume 23, Issue 9, September 2025.Abstract Following a request from the European Commission, the EFSA Panel on Nutrition, Novel Foods and Food Allergens (NDA) was asked to deliver an opinion on the safety of rapeseed protein‐fibre concentrate as a novel food (NF) pursuant to Regulation (EU) 2015/2283.
EFSA Panel on Nutrition +27 more
wiley +1 more source
Permanganometric determination of etamsylate in bulk drug and in tablets [PDF]
Chemical Industry and Chemical Engineering Quarterly, 2009 One titrimetric and two spectrophotometric methods which are simple, selective, sensitive, accurate, precise and economical for the determination of etamsylate (ETM) in bulk drug and in tablets employing permanganate as the oxidimetric reagent are ...
K.B. Vinay +3 more
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, 2012 We report high-pressure low-temperature Raman studies of the Verwey transition in pure and Al-doped magnetite (Fe_3O_4). The low temperature phase of magnetite displays a number of additional Raman modes that serve as transition markers. These transition
A. Gavriliuk +8 more
core +1 more source
Catalase-based modified graphite electrode for hydrogen peroxide detection in different beverages [PDF]
, 2016 A catalase-based (NAF/MWCNTs) nanocomposite film modified glassy carbon electrode for hydrogen peroxide (H2O2) detection was developed. The developed biosensor was characterized in terms of its bioelectrochemical properties.
ANTIOCHIA, RICCARDA +5 more
core +4 more sources
Re‐evaluation of saccharin and its sodium, potassium and calcium salts (E 954) as food additives
EFSA Journal, Volume 22, Issue 11, November 2024.Abstract This opinion deals with the re‐evaluation of saccharin and its sodium, potassium and calcium salts (E 954) as food additives. Saccharin is the chemically manufactured compound 1,2‐benzisothiazol‐3(2H)‐one‐1,1‐dioxide. Along with its sodium (Na), potassium (K) and calcium (Ca) salts, they are authorised as sweeteners (E 954).
EFSA Panel on Food Additives and Flavourings (FAF) +42 more
wiley +1 more source
Регуляторные исследования и экспертиза лекарственных средств, 2018 The article describes results of comparative evaluation of two pharmacopoeial methods used for quantitative determination of tannins in herbal drugs: the titrimetric method of the State Pharmacopoeia of the USSR (XIth edition) that is described in the ...
N. P. Antonova +4 more
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