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Askorbik Asit

Askorbik Asit
Fırat Kimya
Askorbik Asit

Askorbik Asit

Menşei: Çin

Ambalaj: 25 kg kutu


ITEMS

STANDARD
Appearance
White or Almost White Crystalline 
Identification
Powder
Melting Point
Positive Reaction
pH(with %2 water solution)
About 190 C
pH(with %5 water solution)
2.4-2.8
Clarity of Solution
2.1-2.6
Coluor of Solution
Clear
Copper
max BY7
Heavy Metals
max 5 ppm
Lead
max 10 ppm
Iron
max 2 ppm
Cadmium
max 2 ppm
Arsenic
max 1 ppm
Mercury
max 3 ppm
Zinc
max 0.1 ppm
Oxalic Acid
max 25 ppm
Sulphate Ash
max %0.2
Specific Optical Rotation
max %0.1
Assay
20.5-21.5
Loss on drying
%99.0-%100.5
Particles Size
max %0.4
Residual Solvents
Thorugh 100 mesh%
Related Substances
Methanol:NMT 3000 ppm

Impurity C max %0.15

Impurity D max %0.15

Anyother Unspecific Impurities max %0.1

Total Impurities max %0.2

Askorbik Asit

Menşei: Çin

Ambalaj: 25 kg kutu


ITEMS

STANDARD
Appearance
White or Almost White Crystalline 
Identification
Powder
Melting Point
Positive Reaction
pH(with %2 water solution)
About 190 C
pH(with %5 water solution)
2.4-2.8
Clarity of Solution
2.1-2.6
Coluor of Solution
Clear
Copper
max BY7
Heavy Metals
max 5 ppm
Lead
max 10 ppm
Iron
max 2 ppm
Cadmium
max 2 ppm
Arsenic
max 1 ppm
Mercury
max 3 ppm
Zinc
max 0.1 ppm
Oxalic Acid
max 25 ppm
Sulphate Ash
max %0.2
Specific Optical Rotation
max %0.1
Assay
20.5-21.5
Loss on drying
%99.0-%100.5
Particles Size
max %0.4
Residual Solvents
Thorugh 100 mesh%
Related Substances
Methanol:NMT 3000 ppm

Impurity C max %0.15

Impurity D max %0.15

Anyother Unspecific Impurities max %0.1

Total Impurities max %0.2

Askorbik Asit

Menşei: Çin

Ambalaj: 25 kg kutu


ITEMS

STANDARD
Appearance
White or Almost White Crystalline 
Identification
Powder
Melting Point
Positive Reaction
pH(with %2 water solution)
About 190 C
pH(with %5 water solution)
2.4-2.8
Clarity of Solution
2.1-2.6
Coluor of Solution
Clear
Copper
max BY7
Heavy Metals
max 5 ppm
Lead
max 10 ppm
Iron
max 2 ppm
Cadmium
max 2 ppm
Arsenic
max 1 ppm
Mercury
max 3 ppm
Zinc
max 0.1 ppm
Oxalic Acid
max 25 ppm
Sulphate Ash
max %0.2
Specific Optical Rotation
max %0.1
Assay
20.5-21.5
Loss on drying
%99.0-%100.5
Particles Size
max %0.4
Residual Solvents
Thorugh 100 mesh%
Related Substances
Methanol:NMT 3000 ppm

Impurity C max %0.15

Impurity D max %0.15

Anyother Unspecific Impurities max %0.1

Total Impurities max %0.2

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Etiketler: Askorbik , Asit
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