Results 1 to 10 of about 5,388,942 (324)

QUANTITATIVE CHEMICAL ANALYSIS. [PDF]

open access: greenJournal of the American Chemical Society, 1904
n ...
H. P. Talbot
openalex   +4 more sources

THE CHEMICAL ANALYSIS OF IRON. [PDF]

open access: greenJournal of the American Chemical Society, 1901
n ...
P. W. Shimer
openalex   +3 more sources

Chemical Analysis for Beginners [PDF]

open access: bronzeNature, 1904
IN a review on this subject (this vol., p. 5) “J. B. C.” directs attention once again to the unsuitability of an extended study of analysis for a beginner. His opinions not only claim respect, but must be largely shared by all teachers of chemistry.
F. SOUTHERDEN
openalex   +3 more sources

Analytic model research of sound propagation in pipe wall with sound absorption [PDF]

open access: yesMATEC Web of Conferences, 2022
There are a lot of principles for sound transmission in the pipeline for whether sound transmission structure or noise reduction structure. Even in ultrasonic testing, there is a large number of principles for using pipeline sound transmission.
Ren Juan   +3 more
doaj   +1 more source

Potency and safety analysis of hemp delta-9 products: the hemp vs. cannabis demarcation problem

open access: yesJournal of Cannabis Research, 2023
Background Hemp-derived delta-9 tetrahydrocannabinol (∆9 THC) products are freely available for sale across much of the USA, but the federal legislation allowing their sale places only minimal requirements on companies. Products must contain no more than
Lee Johnson   +6 more
doaj   +1 more source

Chemical Analysis of Gallstones [PDF]

open access: yesClinical Chemistry and Laboratory Medicine, 1991
A new promising treatment for patients with symptomatic cholelithiasis is extracorporeal shock wave lithotripsy. In order to learn how to interpret the computed tomographic (CT) densities of gallstones measured in vivo, our radiologists asked the clinical chemistry laboratory to analyse cholesterol, bilirubin and calcium in gallstones.
Steen, G., Blijenberg, B. G.
openaire   +3 more sources

Analysis of Chemical Laboratory Management at SMAN 55 Jakarta [PDF]

open access: yes, 2020
An understanding of laboratory management is highly important to be owned by parties related to the laboratory, both directly and indirectly. Laboratories must be managed and utilized properly, because chemical laboratories are one type of laboratory ...
Habibah, U. (Umi)   +3 more
core   +1 more source

The detection of wound infection by ion mobility chemical analysis [PDF]

open access: yes, 2020
Surgical site infection represents a large burden of care in the National Health Service. Current methods for diagnosis include a subjective clinical assessment and wound swab culture that may take several days to return a result.
Bechar, Janak   +4 more
core   +1 more source

Validation of High-Performance Liquid Chromatography Method for Determination of Vitamin B1 in Powder Milk

open access: yesJurnal Kimia Sains dan Aplikasi, 2020
Vitamin B1 plays an important role in the co-enzymatic reactions for energy-rich compounds called ATP (Adenosine Tri Phosphate). Therefore, it should be added to various food products, for example, milk powder.
Supriyono Supriyono   +2 more
doaj   +1 more source

Highly-sensitive label-free deep profiling of N-glycans released from biomedically-relevant samples

open access: yesNature Communications, 2023
Glycans can serve as disease biomarkers. Here, the authors use label-free capillary electrophoresis-mass spectrometry for N-glycan profiling of minute sample amounts, resolving and characterizing previously undetected highly sialylated glycans and ...
Anne-Lise Marie   +2 more
doaj   +1 more source

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