Complete kit for residual sugar determination in wines and musts using Fehling method

Sugar determination

The Fehling method provides an easy and economical solution to accurately determine the quantity of residual sugar in wines. This kit includes a quick filtration system with a syringe and a gas burner (about 1 minute heating time).

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  • 196200- Complete kit for sugar determination with gas heating
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Références concernées

  • 196200-Complete kit for sugar determination with gas heating

PRINCIPLE

Residual sugars in the solution discolor the Fehling liquor at boiling point. The Fehling liquor is titrated in a manner that 10ml are discolored by 0.05g of invert sugar (glucose and fructose).

EQUIPMENT AND REAGENTS

  • Stand, rod, and clamps
  • Vertical gas burner for butane/propane (13mm diameter) (Ref. 640123)
  • Graduated PP beaker, low form (250ml) (Ref. 613250P)
  • Graduated PP beaker, low form (50ml) (Ref. 613250P)
  • Graduated Erlenmeyer flask, narrow neck (250ml) (Ref. 615250E)
  • Burette (25ml – 1/10) (Ref. 196201)
  • Graduated pipette (10ml – 1/10) (Ref. 603010)
  • Syringe (Ref. 650305)
  • Filter support (Ref. 650307)
  • Filter disks (x100) (25mm diameter and 10-20µm porosity (Ref. 650308)
     
  • Fehling liquor 500ml (Ref. 916000)
  • Methylene blue 30ml (Ref. 944000)
  • Vegetal coal 500g (Ref. 983500)
 

Produits associés

Fehling liquor - 500 ml

916000Fehling liquor - 500 ml

Fehling liquor A - 500 ml

916100AFehling liquor A - 500 ml

Fehling liquor B - 500 ml

916100BFehling liquor B - 500 ml

Phenolphthalein - 60 ml

938060Phenolphthalein - 60 ml

Methylene blue

944000Methylene blue

Vegetal coal - 500 g

983500Vegetal coal - 500 g