Accession Number:

AD0649303

Title:

A REVIEW OF METHODS FOR ESTIMATING HARMFUL PITCH IN WOODPULPS.

Descriptive Note:

Research note,

Corporate Author:

FOREST PRODUCTS LAB MADISON WIS

Personal Author(s):

• Simmonds,F. S.

Report Date:

1967-03-01

Pagination or Media Count:

26.0

Abstract:

Describes the development of and procedures for two basic methods, mechanical agitation and air flotation, for measuring the amount of harmful pitch in woodpulps. The procedure for the air-flotation method as adapted at the Forest Products Laboratory and the procedure for an impeller-agitation method are included.

Descriptors:

• *PITCH(MATERIAL)
• WOOD PULP
• PAPER INDUSTRY
• LABORATORY EQUIPMENT
• FLOTATION
• PH FACTOR
• LIQUID FILTERS
• PAPER
• SULFITES
• CHEMICAL PRECIPITATION

Subject Categories:

• Miscellaneous Materials
• Wood, Paper and Related Forestry Products

Distribution Statement:

APPROVED FOR PUBLIC RELEASE