| 配方类型： |
TEXTILES AND THEIR TREATMENT |
| 配方说明： |
Textile Sour |
| 配方组成： |
Solutions containing 0.05 to 0.1% Ammonium Bifluoride are suitable for
sufficient Ammonium Bifluoride solution has been added. A dry strip of
solution of one pound per gallon (approximately 11%) may be prepared and
paper is wetted with the neutralized solution; the color that develops
immediately on the paper is compared with color standards that show the
pH directly.
this purpose. This is equivalent to approximately 1/2 to 1 pound of
kept in polyethylene bottles, and diluted as needed.
For best results, souring should be carried to a pH of 4,5-5.0
pHydrion papers, suitable for the pH range 3.0-5.5, available from
ammonium Bifluoride per 100 gallons solution. for convenience, a stock
scientific supply houses, may be used to check pH to assure that |
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