Product instruction:

D - (-) - Quinine is present in the golden chickens, there is a strong sour. In terms of high humidity, lactone can be formed with acute toxicity.

Quinine has absorption peak at 210 nm, which can be used to determine its content using 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 \u0026 nbsp; ml \u0026 nbsp; × 1 bottle, 4 ° C preservation .

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

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

Standard: Powder × 1 bottle, 4 ° C protected from light. 2 ml of distilled water was added before the use of 10 mg / ml quinenic acid standard solution, and the seal was stored at 4 ° C to avoid direct sunlight.

Cartpieces

• 
• 4

  4Delete

• 
• 4

  4Delete

• 
• A

  ADelete

• 
• Q

  QDelete

• 
• +

  +Delete

• 
• 1

  1Delete

• Delete

• Delete

• 
• 1

  1Delete

• 
• 1

  1Delete

• 
• $

  $Delete

• 
• 0

  0Delete

• 
• 3

  3Delete

• 
• $

  $Delete

• 
• 0

  0Delete

• 
• 0

  0Delete

• 
• 1

  1Delete

• 
• Q

  QDelete

• 
• �

  �Delete

• 
• <

  <Delete

• 
• i

  iDelete

• 
• i

  iDelete

• Delete

• 
• 1

  1Delete

• Delete

• 
• 1

  1Delete

• 
• 1

  1Delete

• 
• 0

  0Delete

• Delete

• 
• 2

  2Delete

• 
• 1

  1Delete

• 
• 0

  0Delete

• 
• 0

  0Delete

• 
• 0

  0Delete

• 
• 0

  0Delete

• 
• 0

  0Delete

• 
• 0

  0Delete

• 
• 1

  1Delete

• 
• 1

  1Delete

• Delete

• 
• -

  -Delete

• 
• -

  -Delete

• 
• 0

  0Delete

• Delete

• 
• t

  tDelete

• 
• 0

  0Delete

• 
• 0

  0Delete

• 
• 0

  0Delete

• 
• f

  fDelete

• Delete

• Delete

• Delete

• Delete

• Delete

• Delete

• Delete

• Delete

• Delete

• Delete

• Delete

• Delete

• Delete

• Delete

• 
• 3

  3Delete

• 
• $

  $Delete

• Delete

• 
• 0

  0Delete

• Delete

• Delete

• Delete

• 
• Q

  QDelete

• 
• 4

  4Delete

• 
• A

  ADelete

Totalgoods,subtotals:￥Checkout