国产美女视频黄a视频免费|2019日韩中文字幕mv|国产91对白在线播放丿|精品影院|午夜少妇拍拍视频在线观看

Contact Us
Nanjing duly Biotechnology Co., Ltd.
地址:南京市浦口區創芯匯2棟503
郵編:210031
電話:025 84699415
傳真:025 84699415

Eriochrome blue black R/Mordant Black 17/Acid chrome blue black/Palatine chrome black 6BN;Calcon

CAS No.: 2538-85-4
Item No.: SR0133
Store at: RT

English Name:Eriochrome blue black R;Mordant Black 17;Acid chrome blue black;Palatine chrome black 6BN;Calcon;Chrome blue black R;Anthracene blue black;Solochrome dark blue

Other names: elay chrome blue black R; Acid mordant black R; Acid chrome blue black R; Acid mordant blue black; Alizarin blue black; Chrome blue black R; Calcium reagent; Media black 17; Sodium 3-hydroxy-4 - (2-hydroxy-1-naphthalenylazo) - 1-naphthalenesulfonate; Palace black dye; Calcein

CAS No.: 2538-85-4

C20H13N2NaO5S=416.39

Grade: ind

Sensitivity test: acceptable

Ethanol dissolution test: qualified

Physicochemical Properties: brown black or dark brown powder, soluble in water and ethanol. The aqueous solution is purple, and there are brown precipitates in the aqueous solution with hydrochloric acid. The alcohol solution is blue red, the concentrated nitric acid solution is yellow, the sodium hydroxide solution is jujube red, and the sulfuric acid solution is blue. Dilute with water to precipitate red precipitates. The maximum absorption wavelength is 569nm. Irritating

Purpose: biochemical research. Complexation indicator. Determine calcium, magnesium, cadmium, manganese and zinc. Measure aluminum by fluorescence analysis. Determination of water hardness

Save: RT


Copyright ?2021 南京杜萊生物技術有限公司 版權所有 Record No:蘇ICP備18062211號-1