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Dibromoanthanthrone is a scarlet or orange-red-hue synthetic organic colourant. It is an anthraquinone derivative, first synthesized in 1913 as a vat dye, C.I. Vat Orange 3 (C.I. 59300), and later on also as a pigment, C.I. Pigment Red 168. [1]
Vat dyes are a class of dyes that are classified as such because of the method by which they are applied. Vat dyeing is a process that refers to dyeing that takes place in a bucket or vat. The original vat dye is indigo , once obtained only from plants but now often produced synthetically.
Đỗ Ngọc Yến – The founder of Nguoi Viet Daily News the oldest and largest Vietnamese daily publication in the US, and a founding father of Little Saigon, Orange County California Hồ Thành Việt – computer engineer and entrepreneur who is credited with making desktop publishing more accessible to Vietnamese speakers
Vat Orange 1 is an orange-hue synthetic anthraquinone vat dye. It is prepared by dibromination of Dibenzpyrenequinone, also known as Vat Yellow 4. [2] References
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The US-Vietnam Dialogue Group on Agent Orange/Dioxin, composed of members of the Aspen Institute, Vietnam National University, and Vietnam Veterans Association, is the most notable example of this civic response. Long-term programs and continued check-ups on the state of current plans to address Agent Orange are heavily monitored. [34]
A value-added tax identification number or VAT identification number (VATIN [1]) is an identifier used in many countries, including the countries of the European Union, for value-added tax purposes. In the EU, a VAT identification number can be verified online at the EU's official VIES [2] website. It confirms that the number is currently ...
Orange juice prices 1973 - 2022 Citrus greening was first found in 2005 in the US and has cut the orange tree production in half [2] [3] Citrus greening disease [4] (Chinese: 黃龍病; pinyin: huánglóngbìng abbr. HLB) [5] is a disease of citrus caused by a vector-transmitted pathogen. The causative agents are motile bacteria, Liberibacter spp.