| 颜料H122中间体多聚磷酸的测定 |
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| 引用本文： | 刘丹萍,傅秀珠. 颜料H122中间体多聚磷酸的测定[J]. 印染助剂, 2000, 17(1): 34-35 |
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| 作者姓名： | 刘丹萍 傅秀珠 |
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| 作者单位： | 1. 江苏省染整化工助剂产品质量监测站,江苏常州,213001
2. 常州化工研究所,江苏常州,213001 |
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| 摘 要： | 根据磷酸根在酸性介质中能与沉淀剂喹钼柠酮形成沉淀的原理，采用加盐酸和少量水使颜料中间体多聚磷酸全部水解转化成正磷酸，然后用喹钼柠酮重量法测定、计算。该法准确度、精确度高而且简便，是颜料生产中测定中间体多聚磷酸的一种快捷的方法。
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| 关 键 词： | 颜料 重量法 H122 多聚磷酸 测定 |
| 文章编号： | 1004-0439(2000)01-0034-02 |
| 修稿时间： | 1999-09-20 |
DETERMINATION OF PIGMENT INTERMEDIATE H 122 POLYPHOSPHORIC ACID |
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| LIU Dan-ping,FU Xiu-zhu. DETERMINATION OF PIGMENT INTERMEDIATE H 122 POLYPHOSPHORIC ACID[J]. Textile Auxiliaries, 2000, 17(1): 34-35 |
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| Authors: | LIU Dan-ping FU Xiu-zhu |
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| Affiliation: | LIU Dan-ping(Jiangsu Dyes and Chemicals Quality Supervision Center, Changzhou 213001, China)FU Xiu-zhu(Changzhou Chemical Research Institute, Changzhou 213001, China) |
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| Abstract: | In acid medium, phosphoric acid radicals will form precipitant with QMCA. Based on this principle by adding small ammount of water and hydrochloric acid, the remaining part of pigment intermediate-polyphos phoric acid is made hydrolysed and transformed into n-phosphoric acid. Then determination and calculation are performed by QMCA weight method. Since this method is high in accuracy and precision as well as easy to operate it has become a rapid method for determination of intermidiate polyphosphoric acid in production of pigments. |
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| Keywords: | phosphoric acid QMCA pigment weight method |
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