成人免费xx,国产又黄又湿又刺激不卡网站,成人性视频app菠萝网站,色天天天天

Welcome to chemicalbook!
Chinese English Japanese Germany Korea
400-158-6606
Try our best to find the right business for you.
Do not miss inquiry messages Please log in to view all inquiry messages.

Welcome back!

ChemicalBook CAS DataBase List Ammonium succinate
2226-88-2

Ammonium succinate synthesis

3synthesis methods
A method of manufacturing a highly pure ammonium succinate solution including the steps of (A) producing calcium succinate trihydrate by crystallization fermentation of a microorganism; (B) converting calcium succinate trihydrate to calcium succinate monohydrate by transition crystallization; (C) separating the calcium succinate monohydrate crystals; (D) substituting the calcium salt in the calcium succinate monohydrate with ammonium salt resulting in an ammonium succinate solution; and (E) removing the solid calcium carbonate from the ammonium succinate solution.
-

Yield: 100%

Reaction Conditions:

with ammonium carbonate in water at 32 - 40; for 2 h;Product distribution / selectivity;Industry scale;

Steps:

4
EXAMPLE NO. 4; Synthesis of di-ammonium salt from succinic acid (S4H12N2O4).The synthesis is carried out in about in the same conditions as in example 3, however, instead of a freshly saturated solution of salt, a recycled (180 L) of filtrate is used, generating 148 kg of ammonium succinate with a content mass of 99.8%. Salt yield is 100%.

References:

Trunin, Roman Anatolievich;Uchitel, Mikhail Lvovich;Maevskij, Evgenij Iljich;Heifets, Vladimir Izrailevich;Chernitzkaya, Svetlana Yakovlevna;Kasseinova, Donna;Ermakova, Galina Nikolaevna US2012/130125, 2012, A1 Location in patent:Page/Page column 3

Ammonium succinate Related Search: