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 dilu

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