Bentonite Microcol Alpha (1 kg)

Code: PCP0035.1K
Brand: Polsinelli
€ 5.08
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Description

Laffort Bentonite Microcol Alpha (1 kg)

High quality natural sodium bentonite with a high adsorption capacity, intended for protein stabilisation in wines and must over a large pH range.

Qualified for the elaboration of products for direct human consumption in the field of the regulated use in Oenology. In accordance with the current EU regulation n° 2019/934.

Specifications:

MICROCOL® ALPHA is a clay belonging to the sheet-structured montmorillonite group. In solution in water, it produces a gel of varying density, with negative surface charges, explaining bentonite’s reactivity with regard to wine proteins.

Oenological applications:

MICROCOL® ALPHA has been selected for its highly specific œnological criteria:

  • Stabilising properties in regard to heat-sensitive proteins on a wide pH spectrum.
  • Stabilising the load through time.
  • Clarifying capacity and proportion of lees (high clarifiying power).
  • Aromatic preservation.
  • Colour preservation.

Physical characteristics:

  • Aspect: granulates
  • Colour: light grey
  • SiO₂ (indicative value) (%): ≈ 57
  • Al2O₃ (indicative value) (%): ≈ 22

Apparent density:

  • Compacted (g/cm³): ≈ 1.2
  • Not compacted (g/cm³): ≈ 1.0

Chemical analysis:

  • pH (5%): 4.7/10
  • Humidity (%): < 5 - 15
  • Citric acid neutralisation (mEq/100 g): < 250
  • Breathable crystalline silica (%): < 0.3
  • Large particles (%): < 8
  • Calcium & magnesium (mEq/100 g): < 100
  • Sodium (g/kg): < 10
  • Lead (ppm): < 5
  • Mercury (ppm): < 1
  • Arsenic (ppm): < 2
  • Iron (ppm): < 600
  • Aluminium (g/kg): < 2.5

Protocol for use

Dosage:

  • 10 to 80 g/hL (100 to 800 ppm), according to the proteic
  • In the case of young red wines, MICROCOL® ALPHA enables unstable colouring matter to be eliminated (5 to 10 g/hL /50 - 100 ppm).

Implementation:

Dissolve the MICROCOL® ALPHA in roughly 10 times its weight in water, stirring continuously and vigorously for 2 hours. Leave to hydrate for 12 - 24 hours. Mix vigorously in order to obtain a homogenous preparation before incorporating into the tank during homogenising stirring. It is recommended to use hot water (50°C / 122°F) to optimise rehydration.
Using an OENODOSEUR allows for injection into the wine to be treated.

Storage recommendation:

  • Store above ground level in a dry area not liable to impart odours. Ensuring stock is kept at a moderate temperature, in its original, unopened packaging.
  • Optimal date of use: 4 years.
  • Do not use opened packaging.

Packaging:

  • 1 kg bag

Consult our product datasheet - Safety data sheet

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