• 氮川三乙酸 [139-13-9]

  • 英文名:Nitrilotriacetic acid
  • 別名:氨三乙酸、次氮基三乙酸、次氨基三乙酸、特里隆A
  • CAS號(hào):139-13-9 分子式:C6H9NO6;N(CH2COOH)3 分子量:191.14
P176072-500g 氮川三乙酸 [139-13-9] 98% 500g 133.00 促銷價(jià):83.79
P176070-250g 氮川三乙酸 [139-13-9] 98% 100g 58.00 促銷價(jià):36.54
P176077-25g 氮川三乙酸 [139-13-9] 98% 25g 33.00 促銷價(jià):20.79
訂貨編號(hào) 商品名稱 規(guī)格 包裝 單價(jià) 促銷價(jià) 會(huì)員價(jià) 數(shù)量
P176072-500g 氮川三乙酸 [139-13-9] 98% 500g 133.00 83.79 登錄可見
P176072-500g 氮川三乙酸 [139-13-9] 98% 500g 133.00 促銷價(jià):83.79
P176070-250g 氮川三乙酸 [139-13-9] 98% 100g 58.00 36.54 登錄可見
P176070-250g 氮川三乙酸 [139-13-9] 98% 100g 58.00 促銷價(jià):36.54
P176077-25g 氮川三乙酸 [139-13-9] 98% 25g 33.00 20.79 登錄可見
P176077-25g 氮川三乙酸 [139-13-9] 98% 25g 33.00 促銷價(jià):20.79
  •  訂貨編號(hào)
  •  商品名稱
  •  規(guī)格
  •  包裝
  •  單價(jià)
  •  促銷價(jià)
  •  會(huì)員價(jià)
  •  數(shù)量

化學(xué)性質(zhì)

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℃

質(zhì)量標(biāo)準(zhǔn)

  

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



項(xiàng)目名稱Item                                            ACS Grade
含量assay                                                ≥99.0% (T)
灼燒殘?jiān)黂esidue on ignition                              ≤0.1% (as SO4)
干燥損失loss on drying                                   ≤0.1%
氯chloride (Cl-):                                        ≤100 ppm
cation traces by ICP Atomic emission
  Ca:                                                    ≤10 ppm
  Cd:                                                    ≤5 ppm
  Co:                                                    ≤5 ppm
  Cr:                                                    ≤5 ppm
  Cu:                                                    ≤5 ppm
  Fe:                                                    ≤7 ppm
  K:                                                    ≤50 ppm
  Mg:                                                    ≤5 ppm
  Mn:                                                    ≤5 ppm
  Na:                                                    ≤500 ppm
  Ni:                                                    ≤5 ppm
  Pb:                                                    ≤5 ppm
  Zn:                                                    ≤5 ppm

  

危險(xiǎn)性質(zhì)

  

用途及存儲(chǔ)

絡(luò)合劑,常用于鈣、鎂、鐵等陽離子的測(cè)定,金屬掩蔽劑。

  密封干燥保存。