sodium ethylene diamine tetracetate
乙二胺四乙钠
sodium ethylene diamine tetracetate
乙二胺四乙钠
Cu furaldehyde-ethylene diamine Schiff base complex was synthesized with the yield of 63.
合成了席夫碱金属络合物——呋喃甲醛乙二胺铜络合物,收率为63。
Diamine is synthesized of diacid by aminating and hydryzing process etc.。It is an importantly chemical intermediate。
二胺由二过氨化、氢化工艺合成,是要的化工中间体。
Methods: Five Schiff bases were prepared from piperonal and diamines by condensation reaction.
目的:合成新的双-胡椒醛缩二胺类席夫碱化合物。
Under certain conditions, ophenylene diamine can react with dimethyl sulfate to form, N, N′diaminobenzene with higher production.
邻苯二胺与硫二甲酯作用在定条件下,给出高产率的N,N′-二甲基邻苯二胺。
According to the ethylene diamine moiety in the structure of some calcium antagonists,we designed and synthesized 5 unreported phenoxybenzamine derivatives.
利用酚苄明结构中氯乙胺基的活性,结合些钙拮抗剂含乙二胺结构的特征,设计合成了5个酚苄明衍生物。
Two series of thermotropic liquid crystalline polyureas were synthesized by the copolymerization of benzidine (or o-tolidine),1,6-hexane diamine and 2,4-toluene diisocyanate.
为合成新型热致液晶聚脲,以含液晶基的联苯二胺(或联邻甲苯胺)、1,6-己二胺、2,4-甲苯二异氰酯为原料进行合成。
The first polyimide polymer is prepared with aromatic fluoric diamine and aromatic tetracid dihydride and through a two-step condensation reaction in organic solvent and under the action of catalyst.
第聚酰亚胺聚合物是芳香族含氟二胺与芳香族四二酐,在有机溶剂中,在催化剂的作用下,两步法缩合反应制备得到;
When the complex of anhydrous zinc acetate with 1,5-naphthalene diamine was formed, the anhydrous zinc acetate changed from a bidentate ligand to a unidentate ligand.
在无水乙锌与1,5-萘二胺形成配位络合物的过程中,无水乙锌的结构从双齿型转变成单齿型。
3, A chelating agent which forms an easily water-soluble metal chelated compound such as nitrilotriacetate (NTA) or ethylene diamine tetraacetate (EDTA) is incorporated in a detergent composition.
在洗衣粉中掺入螯合剂,例如次氮基三乙酯(NTA)或者是乙二胺四乙酯(EDTA),这些螯合剂易于形成水溶性的金属螯合物。
The system condition of chromatography separating 2,6—2,4—2,3— and 3,4—toluenediamine isomer and the test methods verifying purity for toluene-diamine reference materilas were studied by HPLC.
应用高效液相色谱法研究分离2,6—、2,4—、2,3—和3,4—二氨基甲苯异构体的色谱系统条件和检定二氨基甲苯参考物质纯度的试验方法
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