Salt water is a/an ___. A. element B. compound C. mixture D. solution 相关知识点: 试题来源: 解析 D。盐水是溶液。选项 A“element”是元素;选项 B“compound”是化合物;选项 C“mixture”是混合物,盐水严格来说是溶液;选项 D“solution”是溶液。反馈...
Solution A method of dyeing a fiber using a water-soluble azo compound represented by the following formula (1) or its salt or mixture thereof, water, and printing ink containing an organic solvent. 1 (X represents an integer from 2 to 4, and a represents a halogen atom.) No selection...
摘要: PROBLEM TO BE SOLVED: To provide a monoazo compound or its salt useful for obtaining yellow dyed and printed materials being preferable in various fastness and the other properties, in a dyeing or printing treatment for a fiber material, particularly a cellulose fiber material....
PURPOSE:To almost thoroughly remove heavy metals in salt water by treating the salt water adjusted to a specified pH with an alkali metal type chelate resin to adsorb Ca, Mg, etc. after which the water is adjusted again to a specified pH and treated with a chelate resin to adsorb heavy ...
The basic structure of Eschenmoser's Salt consists of a cobalt atom coordinated with five ammonia molecules and one nitrite ion, with two nitrate ions as counterions. This compound is soluble in water. Eschenmoser's Salt is considered to be relatively safe, with no specific safety hazards ...
This compound is soluble in water. Flavin adenine dinucleotide disodium salt is generally considered to be safe for use, but it may cause irritation to the eyes and skin. It is important to handle this chemical with proper protective measures to avoid any potential risks. Flavin adenine ...
2.8 Water Solubility H2O: >50 g/L 2.9 StorageTemp -20°C3. Use and Manufacturing3.1 Description Beta-Nicotinamide adenine dinucleotide phosphate disodium salt, with the chemical formula C21H26N7Na2O17P3, has the CAS number 24292-60-2. It is a salt compound that is commonly used in bioc...
Thus, for example, a compound of formula I can be obtained by reacting a) the compound of formula II ##STR3## with a compound of formula III ##STR4## or b) the compound of formula IV ##STR5## with a compound of formula V ##STR6## or c) the compound of formula II with a...
PRODUCTION OF WATER-SOLUBLE ALKALI METAL SALT OF CARBOXYALKYLCELLULOSE PURPOSE:To obtain the titled compound excellent in water insolubility, water absorptivity and water retentivity and noncorrosive to apparatuses, by reacting cellulose with an alkali metal hydroxide and an etherifying agent and adding...
A substituted tertiary amino compound represented by general formula (I) or a pharmaceutically acceptable salt thereof. They have an aromatase inhibiting activity and are useful as a prophylactic and/or therapeutic agent for breast cancer, mastopathy, endometriosis, prostatic-hypertrophy, and so forth....