再生聚酯切片生产过程使用的物料检验方法

1、1PET分析方法麦德美2一.Master NS9 concentration analysis1-1.Reagents Potassium Hydroxide 50% Blue Victoria Indicator Chloroform Sodium Tetrakis(4-fluorophenyl)borate dihydrate1-2.Titration Method Take 2 ml of Master NS9 washing solution to be tested and introduce it in a Becker, Add 25 ml of deionised water

2、and 5 ml of Potassium Hydroxide 50%, Add 5 10 drops of Blue Victoria Indicator, Add 5 ml of Chloroform, Titrate with Sodium Tetrakis(4-fluorophenyl) borate dihydrate in strong agitation (magnetic stirrer with steel barrel) until colour, of organic bottom phase, changes from pink/red to blue. Calcula

3、tion：Master NS9（g/L）=Tetrakis ml数*0.203一.Master NS9 分析方法1-1.所需药剂 50%氢氧化钾溶液 维多利亚蓝指示剂 三氯甲烷 二水合四（4-氟苯基）硼化钠1-2.分析方法 取2ml冲洗液于锥形瓶，添加25ml纯水和5ml 50%氢氧化钾溶液，加5-10滴维多利亚蓝指示剂，加入5ml三氯甲烷，用二水合四（4-氟苯基）硼化钠在强烈搅拌下滴定至直到粉红色变为蓝色。 计算：Master NS9（g/L）=四硼化钠ml数*0.24二.Additive RP24 concentration analysis2-1.Reagents Potassium H

4、ydroxide 50% Blue Victoria Indicator Chloroform Sodium Tetrakis(4-fluorophenyl)borate dihydrate2-2.Titration Method Take 2 ml of Additive RP24 washing solution to be tested and introduce it in a Becker, Add 25 ml of deionised water and 5 ml of Potassium Hydroxide 50%, Add 5 10 drops of Blue Victoria

5、 Indicator, Add 5 ml of Chloroform, Titrate with Sodium Tetrakis(4-fluorophenyl) borate dihydrate in strong agitation (magnetic stirrer with steel barrel) until colour, of organic bottom phase, changes from pink/red to blue. Calculation：Additive RP24（g/L）=Tetrakis ml数*0.165二.Additive RP24 分析方法2-1.所需

6、药剂 50%氢氧化钾溶液 维多利亚蓝指示剂 三氯甲烷 二水合四（4-氟苯基）硼化钠2-2.分析方法 取2ml清洗剂于锥形瓶，添加25ml纯水和5ml 50%氢氧化钾溶液，加5-10滴维多利亚蓝指示剂，加入5ml三氯甲烷，用二水合四（4-氟苯基）硼化钠在强烈搅拌下滴定至直到粉红色变为蓝色。 计算：Additive RP24（g/L）=四硼化钠ml数*0.166三.Caustic salts in RP24 analysis3-1.Reagents 0.1N hydrochloric acid phenolphthalein Indicator3-2.Titration Method Take 1

7、0 ml of washing solution to be tested and introduce it in a Becker, Add 20 ml of deionised water and 5 8 drops of phenolphthalein Indicator, Titrate with 0.1N hydrochloric acid yntil colour changes from pink to colourless. Calculation：%of Caustic soda（g/L）=ml数*0.08(use NaOH)%of Caustic soda（g/L）=ml数

8、*0.12(use KOH) 7三. RP24中碱盐分析3-1.所需试剂 0.1N 盐酸 酚酞指示剂3-2.分析方法 取10ml清洗液于锥形瓶中，加20ml纯水，加5-8滴酚酞指示剂，用0.1N盐酸滴定至无色为终点。 计算：%碱盐（g/L）=ml数*0.08(用氢氧化钠)%碱盐（g/L）=ml数*0.12(用氢氧化钾) 8四.Master S7-A concentration analysis4-1.Reagents Potassium Hydroxide 50% Blue Victoria Indicator Chloroform Sodium Tetrakis(4-fluorophenyl

9、)borate dihydrate4-2.Titration Method Take 10 ml of Master S7-A solution to be tested and introduce it in a Becker, Add 25 ml of deionised water and 5 ml of Potassium Hydroxide 50%, Add 5 10 drops of Blue Victoria Indicator, Add 5 ml of Chloroform, Titrate with Sodium Tetrakis(4-fluorophenyl) borate

10、 dihydrate in strong agitation (magnetic stirrer with steel barrel) until colour, of organic bottom phase, changes from pink/red to blue. Calculation：Master S7-A（g/L）=Tetrakis ml数*0.89四.Master S7-A 分析方法4-1.所需药剂 50%氢氧化钾溶液 维多利亚蓝指示剂 三氯甲烷 二水合四（4-氟苯基）硼化钠4-2.分析方法 取10ml冲洗液于锥形瓶，添加25ml纯水和5ml 50%氢氧化钾溶液，加5-10滴

11、维多利亚蓝指示剂，加入5ml三氯甲烷，用二水合四（4-氟苯基）硼化钠在强烈搅拌下滴定至直到粉红色变为蓝色。 计算：Master S7-A（g/L）=四硼化钠ml数*0.810五.试剂配制(Reagent)1.Sodium Tetrakis二水合四（4-氟苯基）硼化钠0.225g/L Sodium Tetrakis in DI water0.225g溶于纯水至1L2. Blue Victoria Indicator & Victoria blue b 维多利亚蓝0.04g Victoria blue b in 100ml Ethanol0.04g溶于100ml乙醇3. phenolphthalein Indicator酚酞指示剂0.5g phenolphthalein in 100ml Ethanol0.5g溶于100ml乙醇4. Potassium Hydroxide 50% 氢氧化钾500