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Nitrilotriacetic acid

Cas:
139-13-9
Molecular Structure:
MDL:
--MFCD00004287
Molecular Formula:
C6H9NO6;N(CH2COOH)3
Molecular Weight:
191.14
Alias:
氨三乙酸、次氮基三乙酸、次氨基三乙酸、特里隆A Triglycollamic Acid N,N-Bis(carboxymethyl)glycine NTA Tris(carboxymethyl)amine Triglycine
Product order:
Name Specifications Packing Price Delivery
Nitrilotriacetic acid CP 250g RMB 57.2 Consulting service
Nitrilotriacetic acid AR 250g RMB 63.8 Consulting service
Character:
白色結(jié)晶狀粉末,不溶于水,溶于氨水或氫氧化物的溶液中,溶于大多數(shù)有機(jī)溶劑。水中溶解度:1.28 g/L (22.5°C)。
熔點(diǎn):  245℃
Quality Standard:
   
   HG/T 3-1299-80
項(xiàng)目Item                                                   分析純
                                                            (AR)
含量(C6H9NO6)Assay,%                                     ≥ 98.5
絡(luò)合力試驗(yàn)Compiex test                                      合格
氨水中溶解試驗(yàn)Solubility in ammonia solution                合格
灼燒殘?jiān)ㄒ粤蛩猁}計(jì))Ignition residue,%                 ≤ 0.10
氯化物(Cl)Chloride,%                                     ≤ 0.002
硫酸鹽(SO4)Sulfate,%                                    ≤ 0.002
鐵(Fe)Iron,%                                            ≤ 0.002
銅(Cu)Copper,%                                           ≤ 0.0005

ACS級(jí)
項(xiàng)目名稱Item                                            ACS Grade
含量[N(CH2COOH)3]Assay                                   ≥99.8%
澄清度Claroty of solution                                Passes test

Storage:
密封保存。
用途  絡(luò)合劑,常用于鈣、鎂、鐵等陽(yáng)離子的測(cè)定,金屬掩蔽劑。
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