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Chemical Analysis

 

PULP

Carbohydrates, acid hydrolysis followed by HPLC analysis of monosaccaharides

Viscosity

Kappa Number

Acid-Insoluble Lignin (Klason Lignin)

Acid-Insoluble Ash

Acid-Soluble Lignin

Solvent Extractives

Ash Content at 525° C

Ash Content at 900° C

Alpha-, Beta-, Gamma-Cellulose

Carboxyl functional group content

Phenolic hydroxy functional group content

Caustic Solubility, 1% NaOH at 100° C

Caustic Solubility, at 25° C

Metals (acid digestion followed by ICP Emission Spectroscopy)

Na, K, Ca, Fe, Mn, Mg, Al, Cr, Ni, S, P, etc.

Si (caustic fusion followed by ICP Spectroscopy)

Pentosans

Moisture, oven dried at 105° C

pH, cold water extract

pH, hot water extract

Anions, water extractable (chloride, sulfate, etc.)

 

WOOD

Carbohydrates, acid hydrolysis followed by HPLC analysis of monosaccaharides

Acid-Insoluble Lignin (Klason Lignin)

Acid-Insoluble Ash

Acid-Soluble Lignin

Solvent Extractives

Ash Content at 525° C

Ash Content at 900° C

Metals (acid digestion followed by ICP Emission Spectroscopy)

Na, K, Ca, Fe, Mn, Mg, Al, Cr, Ni, S, P, etc.

Si (caustic fusion followed by ICP Spectroscopy)

Pentosans

Moisture, oven dried at 105° C

pH, cold water extract

pH, hot water extract

Anions, water extractable (chloride, sulfate, etc.)

 

PAPER

Acid-Insoluble Ash

Ash Content at 525° C

Ash Content at 900° C

Metals (acid digestion followed by ICP Emission Spectroscopy)

Na, K, Ca, Fe, Mn, Mg, Al, Cr, Ni, S, P, etc.

Si (caustic fusion followed by ICP Spectroscopy)

Moisture, oven dried at 105° C

pH, cold water extract

pH, hot water extract

Anions, water extractable (chloride, sulfate, etc.)

Coating analysis, ID minerals and binder present

Starch

Surface pH

Rosin size determination, qualitative

AKD size determination, qualitative

Resin-formaldehyde wet strength determination, qualitative

 

ALL KRAFT LIQUORS

Metals (acid digestion followed by ICP Emission Spectroscopy)

Na, K, Ca, Fe, Mn, Mg, Al, Cr, Ni, S, P, etc.

Si (caustic fusion followed by ICP Spectroscopy)

Density

Active Alkali

Anions (Chloride, Sulfate, Thiosulfate, Sulfite, Oxalate)

 

KRAFT WHITE AND GREEN LIQUOR

ABC Titration for NaOH, Na2S, and Na2CO3

Total Alkali

Total Suspended Solids

 

KRAFT BLACK LIQUOR

BTU Content (i.e., Heating Value, Calorific Value)

Solids Content

Organic Matter

Sulfated Ash

Sodium Sulfide

Crude Tall Oil Content

Anthraquinone

Fiber Content

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