Reinecke's salt - Reinecke's salt
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Chemical formula: (NH 4 )[Cr(NCS) 4 (NH 3 ) 2 ]･2/3H 2 O. Common name for ammonium tetrakis(isothiocyanato)diamminechromate(III). Used as a precipitating agent for alkaloids, choline, etc. Created by German chemist A. Reineke. When ammonium thiocyanate NH 4 SCN and ammonium dichromate (NH 4 ) 2 Cr 2 O 7 are ground and mixed well and reacted at 145-150°C, a mixture with Morland's salt (guanidinium salt) (CH 6 N 3 )[Cr(NCS) 4 (NH 3 ) 2 ] is obtained. Source: Heibonsha World Encyclopedia, 2nd Edition Information |
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化学式(NH4)[Cr(NCS)4(NH3)2]･2/3H2O。テトラキス(イソチオシアナト)ジアンミンクロム(III)酸アンモニウムの通称。アルカロイド，コリンなどの沈殿試薬として用いられる。ドイツの化学者A.ライネケによってつくられた。チオシアン酸アンモニウムNH4SCNと二クロム酸アンモニウム(NH4)2Cr2O7とを粉砕してよく混合し，145～150℃で反応させるとモーランド塩(グアニジニウム塩)(CH6N3)[Cr(NCS)4(NH3)2]との混合物として得られる。
出典 株式会社平凡社世界大百科事典 第２版について 情報 |
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