Industrial Synthetic Ethanol (1)

The test method for acidity in this standard is equivalent to ISO1388/2-1981 "Industrial Ethanol -Test Methods-Part 2: Alkalinity Test or Acidity Determination Using Phenolphthalein as Indicator"

The test method for methanol content in this standard is equivalent to ISO1388/7-1981 "Industrial Ethanol—Test Methods—Part 7: Determination of Methanol Content [Methanol Content 0.

The test method of aldehyde content in this standard refers to ISO1388/5-1981 "Industrial Ethanol-Test Methods-Part 5: Determination of Aldehyde Content-Visual Colorimetry"

1 Subject content and scope of application

This standard specifies the technical requirements, test methods, inspection rules, markings, packaging, transportation and storage of industrial synthetic ethanol

This standard applies to industrial synthetic ethanol prepared by direct hydration of ethylene under the action of phosphoric acid catalyst

Fractional formula: C ₂ H ₅ OH

Relative molecular mass: 46.

2 Reference standards

Preparation of GB 601 standard solution for chemical reagent titration analysis (volume analysis)

Preparation of GB 602 Standard Solution for Determination of Impurities in Chemical Reagents

Preparation of preparations and products used in GB 603 chemical reagent test method

The expression method and judgment method of GB 1250 limit value

GB 3143 Liquid chemical product color determination method (Hazen unit-platinum-cobalt color number)

GB 6324.

GB 6324.

GB 6324.

GB 6680 General Rules for Sampling of Liquid Chemical Products

GB 6682 Laboratory Water Specification

3 Technical requirements

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