TAPPI T 658 : CM 85
Withdrawn
Withdrawn
PROPERTIES OF DIATOMACEOUS SILICA
Published date
01-12-2013
Withdrawn date
07-23-2013
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Is for sampling and testing diatomaceous silica (commonly used as a filter in paper) for free moisture, loss on ignition and volatile matter, pH, wet density, brightness, and 325 mesh residue. The powder, also known as diatomite or diatomaceous earth, is a naturally occurring, amorphous silica formed of the fossilized remains of single-celled marine and fresh-water diatoms.
| DocumentType |
Standard
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| PublisherName |
Technical Association of the Pulp & Paper Industry
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| Status |
Withdrawn
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| TAPPI T 676 : 1997 | VISCOSITY OF STARCH AND STARCH PRODUCTS |
| TAPPI T 657 : 2012 | SAMPLING OF FILLERS AND PIGMENTS |
| ASTM D 719 : 1991 : R1999 | Standard Test Methods for Analysis of Diatomaceous Silica Pigment (Withdrawn 2003) |
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