What Does a Chemical Analyst Do?

The professional textbooks for employees compiled by the Office of Teaching Materials of the Ministry of Labor and Social Security and the Shanghai Vocational Training Guidance Center based on the Shanghai 1 + X Vocational Skills Appraisal Details-Chemical Analyst (National Vocational Qualification Level 3). Author: Zhang Yongqing

Chemical Analyst (Advanced)

This textbook was prepared by the Textbook Office of the Ministry of Labor and Social Security and the Shanghai Vocational Training Guidance Center based on the Shanghai 1 + X Vocational Skills Appraisal and ExaminationChemical Analyst (National Vocational Qualification Level 3). From the perspective of strengthening the cultivation of operating skills and mastering a practical technology, this textbook better reflects the latest practical knowledge and operating techniques of the profession. It improves the basic quality of practitioners and masters the core knowledge and skills of advanced chemical analysts. Has a good help and guidance.

?? In the compilation of this textbook, based on the job characteristics of the profession, from the grasp of practical operating skills, with the fundamental starting point of ability training, using a modular writing method. The book is divided into seven units, including: qualitative analysis, organic analysis, non-aqueous titration, spectral analysis, chromatographic analysis, electrochemical analysis, and related knowledge. Each unit focuses on the introduction of relevant professional theoretical knowledge and professional operating skills, so that the theory and practice are organically combined.

?? In order to facilitate readers to grasp the key content of this textbook, unit test questions and answers are attached to each unit. At the end of the book, simulation test papers for knowledge assessment and simulation papers for skill assessment are provided for reference when consolidating and testing the learning effect.

?? This textbook can be used as a chemical analysis engineer (national vocational qualification level 3) vocational skills training and appraisal assessment textbooks, and can also be used by relevant professional teachers and students in vocational colleges and universities, as well as related practitioners to participate in job training, employment training.

"Chemical Analyst (Advanced)" is one of the 1 + x vocational technical and vocational qualification training materials.

Qualitative Analysis of Module 1

Section 1 Qualitative Analysis Overview 3

Section 2 Cation Analysis 7

Section 3 Anion Analysis 26

Section 4 General Steps of Qualitative Analysis 30

Section 5 Operation Skills Training 33

Unit test questions 35

Unit Test Answer 37

Unit 2 Organic Analysis

Section 1 Overview 41

Section 2 Identification of Organic Matters 44

Section 3 Quantitative Analysis of Organic Elements 60

Section 4 Quantitative Analysis of Organic Functional Groups 71

Section V Operation Skills Training-Determination of Phenol Purity 103

Unit Test Questions 106

Unit Test Answer 108

Unit 3 non-aqueous titration

The first section of non-aqueous acid-base titration 113

Section 2 Non-aqueous Redox Titration 118

Section III Operational Skills Training 122

Unit Test Questions 122

Unit test answer 123

Module 4 Spectral Analysis

Section 1 UV-Vis Spectrophotometry 127

Section 2 Infrared Spectrophotometry 135

Section III Emission Spectrum Analysis Method 143

Section 4 Operation Skills Training 163

Unit Test Questions 165

Unit Test Answers 168

Module 5 Chromatographic Analysis

Section 1 Gas Chromatography 171

Section II Liquid Chromatography 180

Section III Operation Skill Training 194

Unit Test Questions 196

Unit Test Answers 199

Unit 6 Electrochemical Analysis

Section I Potentiometric Titration 203

Section 2 Coulomb Analysis 205

Section 3 Other Electrochemical Analysis Methods 218

Section 4 Operation Skills Training 225

Unit Test Questions 227

Unit Test Answers 228

Knowledge about Module 7

Section 1 Inspection Report 233

Section 2 Experiment End Work 242

Section 3 Analytical Laboratory Rules and Regulations 245

Section 4 Analysis Laboratory "Three Wastes" Treatment 247

Unit test questions 251

Unit Test Question Answers 253

Knowledge assessment simulation test paper (1) 254

Knowledge assessment simulation test paper (2) 260

Knowledge assessment mock test (1) answer 266

Knowledge assessment mock test (2) answer 267

Skill assessment mock test (1) 268

Skill assessment mock test paper (2) 271 ^[1]