Product instruction:

Acetic acid, also called acetic acid, glacial acetic acid, chemical CH 3

COOH, is aOrganic monovic acid, source of sour and irritating odor in vinegar.

Acetic acid has an absorption peak at 210 nm, which can be determined by HPLC. \u0026 nbsp;

Instruments and reagents needed in the test

:

High performance liquid chromatograph (Polaris C18-A column (4.6 × 250 mm), ultraviolet detector (VWD)), desktop centrifuge, adjustable pipette, mortar / homogenizer, EPT (2 mL), needle filter (water system), syringe, Filter, filter (water, organic system), brown into S bottles (50, 1.5 mL), super pure water. \u0026 NBSP;

Product content: Extract: liquid 80 ml \u0026 nbsp; × 1 bottle, stored at 4 ° C.

Reagent 1: Liquid 2 \u0026 NBSP; ML \u0026 NBSP; × 1 bottle, 4 ° C.

Reagent 2: Powder × 2 bottles, 4 ° C preserved.

Standard: 1 mL × 1, 4 ° C preservation, 8.75 mmol / ml acetic acid standard.

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