Phosphine Complexes of Phosphorus Pentafluoride

chemistryviews Monday, March 30, 2020 4:22:00 AM CEST | info [other]

Phosphorus pentafluoride (PF 5 ) acts as a Lewis acid and can form complexes with fluoride ions or neutral Lewis bases such as O- or N-donor ligands and solvents. For example, bidentate N-donor-ligands such as 2,2-bipyridine form ionic complexes of the structure [PF 4 (diimine)][PF 6 ]....

PUSD Board Votes in Favor of New Armenian Dual Immersion Academy

asbarez Saturday, March 28, 2020 12:13:00 AM CET | info [other]

Melkonian Global Overture is pleased to announce the establishment of an Armenian Dual Language Immersion Academy at Blair High School in Pasadena, CA, which will open in the Fall of 2020. Board members voted in favor of the Academy at the Pasadena Unified School District Board meeting held online on Thursday, March 26....

Foods, Vol. 9, Pages 431: Enrichment of Mango Fruit Leathers with Natal Plum (Carissa macrocarpa) Improves Their Phytochemical Content and Antioxidant

mdpi Saturday, April 4, 2020 1:30:00 PM CEST | info [en] [other]

Natal plum fruit ( Carissa macrocarpa ) is indigenous to South Africa and a rich source of cyanidin derivatives. Indigenous fruits play a major role in food diversification and sustaining food security in the Southern African region. Agro-processing of indigenous are practiced adopted by the rural.......

Flavonoid‐sensitized Photolysis of Chlorothalonil in Water

wiley-pms Saturday, April 4, 2020 11:26:00 AM CEST | info [other]

BACKGROUND. Chlorothalonil is a conventional chloroaromatic fungicide and is toxic to many aquatic species. This study was designed to investigate effects of six flavonoids on photolysis of chlorothalonil under sunlight and artificial light. RESULTS. The flavonoids sensitized photolysis of chlorothalonil under sunlight and artificial lights for 6....

Cyanuric Chloride Market Set to Witness an Uptick during 2018 to 2028 | Future Market Insights

amarketresearchgazette Monday, March 23, 2020 9:29:00 AM CET | info [en] [other]

Commercially, cyanuric chloride is a well-known organic compound having the chemical formula (NCCl)3 and also referred to as a trimer of cyanogen chloride. Cyanuric chloride is one of the derivatives of 1,3,5,-triazine. On the commercial scale, cyanuric chloride is manufactured mainly by two processes i....

The 12 Strongest Arguments That Douma Was A False Flag

zerohedge Sunday, December 22, 2019 4:46:00 AM CET | info [other]

The OPCW’s Final Report on Douma in March 2019 assures us that the team found “reasonable grounds that the use of a toxic chemical as a weapon took place. This toxic chemical contained reactive chlorine. The toxic chemical was likely molecular chlorine....

Opel: ηλεκτρικά αυτοκίνητα με παρελθόν και μέλλον

tvxs Saturday, April 4, 2020 4:41:00 PM CEST | info [en] [other]

17:14 | 04 Απρ. 2020 Νίκος Λουπάκης Από τις μπαταρίες μολύβδου στις κυψέλες υδρογόνου και το λίθιο. Από τα ηλεκτρικά οχήματα των προγραμμάτων εξέλιξης μέχρι τη μαζική παραγωγή πλήρως ηλεκτρικών και plug in hybrid μοντέλων που διατίθενται πλέον στην αγορά....

Spectroscopic and TDDFT investigation of highly selective fluoride sensors by substituted acyl hydrazones

sciencedirect-spectrochimica Saturday, April 4, 2020 3:31:00 PM CEST | info [other]

In this work, we report the synthesis of two receptors for fluoride ions based on acyl hydrazone, such as N′-[(1Z)-1-(4-fluorophenyl)ethylidene]benzohydrazide (R1) and N′-[(1Z)-1-(2-hydroxyphenyl)ethylidene]benzohydrazide (R2). The receptors R1 and R2 were synthesized from the corresponding ketones.......

Risks various chemicals pose to fish, your health

nation-ke Friday, April 3, 2020 8:24:00 PM CEST | info [other]

A farmer feeds fish in one of his ponds in Bungoma in this past photo. Chemical fishing is illegal in that it poses serious dangers to fishermen, consumers and the environment due to its effect on non-target organisms and indiscriminate killing of the target population. PHOTO | FILE | NATION MEDIA GROUP In Summary....

Одновременно ушли из жизни: дочь Карла Маркса вышла замуж за врача

gazeta-ua-ru Thursday, April 2, 2020 1:29:00 PM CEST | info [en] [other]

Дочь немецкого экономиста Карла Маркса 22-летняя Лаура вышла замуж за деятеля международного рабочего движения Поля Лафарґа. Свадьбу отгуляли 152 года назад, 2 апреля. Белокурая Лаура первой покинула родительский кров. Ее избранником стал стройный, черноволосый и весьма темпераментный врач начинающий французский социалист Поль Лафарг....

Covid-19 : Quelle est la durée de vie du coronavirus sur les surfaces ?

bbc-french-africa Saturday, April 4, 2020 4:53:00 PM CEST | info [en] [other]

Copyright de l’image Getty Images Image caption Dans de nombreuses grandes villes, comme à Séoul, les transports publics sont nettoyés avec des désinfectants. Notre peur des surfaces s'est développée au fur et à mesure que le Covid-19 s'est répandu. Il existe désormais des scènes familières dans.......

Águas Cuiabá fornece hipoclorito de sódio para desinfecção de áreas públicas

midianews Saturday, April 4, 2020 4:36:00 PM CEST | info [en] [other]

Produto químico rotineiramente utilizado nos processos de produção de água tratada, o hipoclorito de sódio vem assumindo importante papel nas ações de combate à proliferação do coronavírus. Com forte poder de reduzir as chances de contaminação por parasitas, vírus e bactérias, a solução líquida é.......