On December 27, 2007, national pharmacopoeia committee was released " about correct errors in printing " Luo Er of naphthalene of hydrochloric acid general piece " the case of quality standard concerned content " (allusion of traditional Chinese medicine changes hair 〔 2007 〕 373) .

Chinese pharmacopoeia 2005 edition 2 " Luo Er of naphthalene of hydrochloric acid general piece " . Its standard has about content by accident, can check via me, this breed: [differentiate] (2) below will " take content to determine a solution below, according to ultraviolet - visible and prismatic photometry (appendix Ⅳ A) determine, have in the wave good qualities of 290nm, 306 Nm and 319 Nm the biggest absorb. " correct for " take content to determine a solution below, according to ultraviolet - visible and prismatic photometry (appendix Ⅳ A) determine, have in the wave good qualities of 290 Nm and 319 Nm the biggest absorb. " hereby correct errors in printing, carry out since the day that the standard implements. Supervise management board to inform concerned company in time about provincial food medicines and chemical reagents please.