商品检验专业英语2025|PDF|Epub|mobi|kindle电子书版本百度云盘下载

商品检验专业英语PDF格式电子书版下载

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Part One Basic Knowledge of Commodity Inspection1

Unit One Commodity Inspection1

Unit Two Inspection and Quarantine Authorities7

Unit Three Entry-Exit Inspection and Quarantine12

Unit Four Customs Declaration19

Part Two Basic Knowledge of Chemistry25

Unit Five Acids and Bases25

Unit Six Chemical Equilibrium30

Unit Seven Ionization Equilibrium36

Unit Eight Concepts of Organic Chemistry42

Unit Nine Types of Organic Chemistry Reactions and Identification of Organic Compounds49

Unit Ten Types of Polymers57

Part Three Knowledge of Commodity Analysis65

Unit Eleven Titrimetric Determination of Sodium Carbonate65

Unit Twelve Determination of Calcium-Magnesium by EDTA Titration72

Unit Thirteen Determination of COD in Water77

Unit Fourteen Determination of Peroxide Value in Food Lipids83

Unit Fifteen Determination of Active Ingredient in Dipterex89

Unit Sixteen Determination of Aspirin96

Unit Seventeen Pesticide Residue Monitoring and Food Safety102

Unit Eighteen Safety Regulation of Food Additives and Preservatives108

Unit Nineteen Regulations for Heavy Metals in Fertilizers116

Unit Twenty Recent Developments in Vegetable Oil Authentication122

Unit Twenty-One On-line Process NMR Used by Polypropylrne Manufacturers128

Unit Twenty-Two Pharmaceutical Impurities134

Vocabulary142

Appendixes162

References175