Results 301 to 310 of about 1,096,210 (381)
Some of the next articles are maybe not open access.

One-Pot Synthesis of 1,2,3-Triarylindoles through Cascade Reactions Using Calcium Carbide, Iodoarenes, and Aromatic Amines.

Organic Letters, 2023
An efficient method for the construction of 1,2,3-triarylindoles through one-pot multicomponent reactions using calcium carbide, 3 mol of iodoarenes, and aromatic amines as starting materials was described.
Zhenrong Liu   +3 more
semanticscholar   +1 more source

Preparation of Calcium Carbonate by Calcium Carbide Residue

Advanced Materials Research, 2013
the carbide can be used as of Calcium carbide residue is a kind of industrial waste produced in the preparation of acetylene gas from hydrated calcium carbide, and the main component of the calcium carbide residue is calcium hydroxide. In this paper, the production of calcium carbonate by calcium carbide residue was studied, and carbide slag and ...
Mei Mei Liu   +3 more
openaire   +2 more sources

On the Polymorphism of Calcium Carbide

Zeitschrift für anorganische und allgemeine Chemie, 1959
AbstractA brief review of the literature is given. It is demonstrated that a recent suggestion regarding the alleged existence of a fifth crystal modification of calcium carbide was based on an erroneous interpretation of an X‐ray pattern. Doubt is also expressed as to a suggested molar volume for cuprous acetylide.
openaire   +3 more sources

A versatile demonstration with calcium carbide

Journal of Chemical Education, 1987
Demonstrating the necessity of oxygen in the combustion of acetylene generated by the reaction between calcium carbide and water. [typo in article, first author's middle initial is E.]
David N. Harpp   +2 more
openaire   +2 more sources

1,2,4-Triazines and Calcium Carbide in Catalyst-Free Synthesis of 2,3,6-Trisubstituted Pyridines and Their D-, 13C-, and Doubly D2-13C2-Labeled Analogues.

Chemistry - An Asian Journal, 2023
A novel synthetic approach to 2,3,6-trisubstituted pyridines, their 4,5-dideuterated derivatives, 4,5-13C2- and doubly-labeled D2-13C2-pyridines has been developed using catalyst-free [4+2] cycloaddition of 1,2,4-triazines and in situ generated acetylene
V. V. Voronin   +2 more
semanticscholar   +1 more source

Construction of 3-Methyl-2-Substituted Benzo[b]furans and 3-Methyl-2-Substituted Benzo[b]thiophenes Using Solid Calcium Carbide as a Substitute for Gaseous Acetylene.

Journal of Organic Chemistry
A concise method for the facile construction of 3-methyl-2-substituted benzo[b]furans and 3-methyl-2-substituted benzo[b]thiophenes using low-cost, abundant, and easy-to-use solid calcium carbide instead of flammable and explosive gaseous acetylene as an
Zhiqiang Wang   +3 more
semanticscholar   +1 more source

Effect of calcium carbide on the rate of ripening of Ambon Bananas (Musa paradisiaca Var. Sapientum (L). Kunt)

BIOEDUPAT Pattimura Journal of Biology and Learning, 2023
Bananas are one of the most widely consumed sources of nutrients in Indonesia. Generally, bananas are consumed fresh and processed into various snacks. This leads to an increased demand for bananas in the market.
J. L. Loupatty   +6 more
semanticscholar   +1 more source

Modelling of a Plasma Reactor for the Synthesis of Calcium Carbide

Canadian Metallurgical Quarterly, 1998
Abstract Plasma synthesis of calcium carbide was investigated using calcium oxide and graphite powders. A semi-batch spout-fluid bed reactor with a DC plasma torch was used for the study. Argon was used to initiate the plasma and hydrogen gas was then added to increase power and raise the plasma jet enthalpy.
M. H. El-Naas   +5 more
openaire   +2 more sources

Optimization of calcium carbide residue utilization for producing high‐quality calcium carbonate

Greenhouse Gases: Science and Technology, 2023
In light of the current situation where the utilization of calcium carbide slag yields low profits but holds significant potential for reducing carbon emissions, ammonium acetate was employed to leach calcium carbide slag.
Yuhang Yang   +7 more
semanticscholar   +1 more source

Home - About - Disclaimer - Privacy