共找到 150 條與 4-羧基苯甲醛 相關的標準,共 10 頁
Standard Test Method for Determination of 4-Carboxybenzaldehyde and
1.1 This test method covers the determination of the 4-Carboxybenzaldehyde (4-CBA) and p-Toluic acid (p-TOL) in purified terephthalic acid (PTA
Standard Test Method for Determination of 4-Carboxybenzaldehyde and
D7882-Test Method for Determination of 4-Carboxybenzaldehyde and p-Toluic Acid in Purified Terephthalic Acid by Capillary Electrophoresis with Normal Voltage Mode
本試驗方法適用于通過毛細管電泳法(正常電壓模式和紫外檢測)測定精制對苯二甲酸中的4-羧基苯甲醛(4-CBA)和對甲酸苯甲酸(p-TOL)。該方法分別適用于4-CBA的含量范圍為5至400 mg/kg,以及p-TOL的含量范圍為10至400 mg/kg
D7882-Test Method for Determination of 4-Carboxybenzaldehyde and p-Toluic Acid in Purified Terephthalic Acid by Capillary Electrophoresis with Normal Voltage Mode
Standard Test Method for Determination of 4-Carboxybenzaldehyde and
1.1 This test method covers the determination of 4-carboxybenzaldehyde (4-CBA) and p-toluic acid (p-TOL) in purified terephthalic acid (PTA
Standard Test Method for Determination of 4-Carboxybenzaldehyde and
This test method covers the determination of 4-carboxybenzaldehyde (4-CBA) and p- toluic acid (p-TOL) in purified terephthalic acid (PTA) by capillary
D7881-Test Method for Determination of 4-Carboxybenzaldehyde and p-Toluic Acid in Purified Terephthalic Acid by Capillary Electrophoresis with Reverse Voltage Mode
This test method covers the determination of 4-carboxybenzaldehyde (4-CBA) and p-toluic acid (p-TOL) in purified terephthalic acid (PTA) by capillary
D7881-Test Method for Determination of 4-Carboxybenzaldehyde and p-Toluic Acid in Purified Terephthalic Acid by Capillary Electrophoresis with Reverse Voltage Mode
本測試方法適用于通過毛細管電泳法測定凈化對苯二甲酸中的4-羧基苯甲醛和對甲基苯甲酸含量
D7881-Test Method for Determination of 4-Carboxybenzaldehyde and p-Toluic Acid in Purified Terephthalic Acid by Capillary Electrophoresis with Reverse Voltage Mode
D7884-Test Method for Determination of 4-Carboxybenzaldehyde and p-Toluic Acid in Purified Terephthalic Acid by Reverse Phase High Performance Liquid Chromatography
本方法規(guī)定了使用反相高效液相色譜法(HPLC)測定精制對苯二甲酸(PTA)中4-羧基苯甲醛(4-CBA)和對甲酸苯(p-TOL)的方法。該方法適用于4-CBA的濃度范圍為2至500 mg/kg,p-TOL的濃度范圍為10至500 mg/kg
D7884-Test Method for Determination of 4-Carboxybenzaldehyde and p-Toluic Acid in Purified Terephthalic Acid by Reverse Phase High Performance Liquid Chromatography
4.1 The presence of 4-CBA and p-TOL
Standard Test Method for Determination of 4-Carboxybenzaldehyde and
1.1 ?This test method covers the determination of the 4-Carboxybenzaldehyde (4-CBA) and p -Toluic acid (p -TOL) in purified terephthalic acid (PTA
Standard Test Method for Determination of 4-Carboxybenzaldehyde and p-Toluic Acid in Purified Terephthalic Acid by Reverse Phase High Performance Liquid Chromatography
D7883-Test Method for Determination of 4-Carboxybenzaldehyde and p-Toluic Acid in Purified Terephthalic Acid by Weak Anion Exchange High Performance Liquid Chromatography
本研究方法報告根據(jù)固定標識 RR: D16-2003 發(fā)布
D7884 - Standard Test Method for Determination of 4-Carboxybenzaldehyde and p-Toluic Acid in Purified Terephthalic Acid by Reverse Phase High Performance Liquid Chromatography
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