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Potassium metabisulfite
Name of the product: Potassium metabisulfite.
Chemical name: Potassium bisulfite in powder. Potassium pyrosulfite.
Chemical formula: K2S2O5.
Appearance: small sharp-pointed white crystals of free fluidity.

Container

Bisulfito de potasio - presentaticones1 kg bottles Bags of 25kg and big bags of 700kg. (*see specifications).
In solution to varied concentrations (*see specifications).






Uses

In musts and wines it develops an antioxidant and antiseptic action to ward undesirable microflora, it makes the solubilization of phenolic substances easier to do.

Composition

Chemically pure potassium metabisulfite.

Dose

Dissolve some must or wine in a little water and then add homogeneously the potassium metabisulfite to the product in question following these doses:
From 10 to 30 g/hl for musts depending on the sanitary condition of the grapes.
From 2 to 5 g/hl for wine, in clarification, racking or after filtration.
From 10 to 15 g/hl for the preservation of sweet filtered wines.

Warning

For maximum doses and use refer to laws in force for the use of potassium metabisulfite.

Preservation

Close packing: keep it in an aired, dry and fresh place.
Open packing: once the container has been open and used it must be kept closed.

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Producto: METABISULFITO DE POTASIO
Identificación del producto en el Programa  “CONTROL DE PRODUCTOS FABRICADOS”
Código: MBSK02062008 

ESPECIFICACIONES
Parámetro Unidad Mínimo Máximo
pH (solución 10% en agua) - 4.00 5.00
Pureza -  MBSK % (p/p) 97.00 100.00
Contenido de SO2 % (p/p) 55.90 57.60
Aspecto Pequeños cristales blancos, aciculares de fluidez libre.

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Producto: SOLUCIÓN DE METABISULFITO DE POTASIO 85 g/L SO2
Identificación en el Programa  “CONTROL DE PRODUCTOS FABRICADOS”
Código Producto: MBSK1 07092004 

ESPECIFICACIONES
Parámetro Unidad Mínimo Máximo
Densidad a 25ºC g/mL 1.112 1.128
pH del producto Puro a 25ºC - 3.6 4.4
Grado Baumé ºBé 14.60 16.40
Contenido de SO2 % (p/p) 7.25 8.17
g/L  de SO2 g/L 80.60 92.20
g/L  de MBSK g/l 140.00 160.00
Color Incoloro
Aspecto Líquido Transparente

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Producto: SOLUCIÓN DE METABISULFITO DE POTASIO 160 g/L SO2
Identificación en el Programa  “CONTROL DE PRODUCTOS FABRICADOS”
Código Producto: MBSK2 07092004 

ESPECIFICACIONES
Parámetro Unidad Mínimo Máximo
Densidad a 25ºC g/mL 1.180 1.200
pH del producto Puro a 25ºC - 4.40 5.00
Grado Baumé ºBé 22.10 24.20
Contenido de SO2 % 13.56 15.00
g/L  de SO2 g/L 160.00 180.00
g/L  de MBSK g/l 278.00 312.00
Color Incoloro
Aspecto Líquido Transparente

 

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