CN105699308A - Ion pair reagent quality control method - Google Patents
Ion pair reagent quality control method Download PDFInfo
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- CN105699308A CN105699308A CN201410693040.9A CN201410693040A CN105699308A CN 105699308 A CN105699308 A CN 105699308A CN 201410693040 A CN201410693040 A CN 201410693040A CN 105699308 A CN105699308 A CN 105699308A
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- ion
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- pairing agent
- ion pair
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Abstract
The invention provides an ion pair reagent quality control method. The absorbance and the transmittance of 0.005mol/L of an ion pair reagent is determined through ultraviolet spectrophotometry at 200nm, 210nm, 220nm and 254nm. The quality of the ion pair reagent monitored through the method is better than the quality of commercial standard substances with a same model, so the method has wide application values.
Description
Technical field
The present invention relates to the method for quality control of a kind of chemical reagent, especially a kind of ion-pairing agent method of quality control。
Background technology
Ion-pairing agent is to be formed by strong hydrophilicity ion, reacts on the neutral ion pair of sample molecule。Therefore, can be used for concurrently separating charged ion and non-charged ion。The general applicable all chromatographic stationary phases of ion-pairing agent, mobile phase is at least containing when with acetonitrile)。When using the ion-pairing agent of long-chain, as: hexadecyl hydrosulfate ammonium or sodium lauryl sulphate, chromatographic column will select reversed phase chromatographic column, apply very extensive, present stage, ion-pairing agent is but without method of quality control, and the quality for ion-pairing agent is held and later stage application guarantee is provided with obstacle。
Summary of the invention
The technical problem to be solved is in that to provide a kind of ion-pairing agent method of quality control。
For solving above-mentioned technical problem, the technical scheme is that
A kind of ion-pairing agent method of quality control, adopts ultraviolet spectrophotometry, determinand 0.005mol/L, respectively when 200nm, 210nm, 220nm, 254nm, measures absorbance and the transmitance of ion-pairing agent。
Preferably, above-mentioned ion-pairing agent method of quality control, described determinand is C3-C10Sodium sulfonate。
Preferably, above-mentioned ion-pairing agent method of quality control, the collocation method of described determinand is: C3-C10Sodium sulfonate is soluble in water is configured to 0.005mol/L aqueous solution, and wherein water is addition potassium permanganate after second distillation, removes the water of peroxide impurity after repurity。
The invention has the beneficial effects as follows:
Above-mentioned ion-pairing agent method of quality control, the quality being monitored the ion-pairing agent obtained is superior to the quality of commercially available same model standard substance, is with a wide range of applications。
Detailed description of the invention
Below in conjunction with specific embodiment, technical scheme of the present invention is further described。
Embodiment 1
A kind of ion-pairing agent method of quality control, adopts ultraviolet spectrophotometry, determinand propane sulfonic acid sodium 0.005mol/L, respectively when 200nm, 210nm, 220nm, 254nm, measures absorbance and the transmitance of ion-pairing agent。Testing result is in Table 1。
Table 1
Embodiment 2
A kind of ion-pairing agent method of quality control, adopts ultraviolet spectrophotometry, determinand sodium butane sulfonate 0.05mol, respectively when 200nm, 210nm, 220nm, 254nm, measures absorbance and the transmitance of ion-pairing agent。Testing result is in Table 2。
Table 2
Embodiment 3
A kind of ion-pairing agent method of quality control, adopts ultraviolet spectrophotometry, determinand decane sulfonate 0.005mol/L, respectively when 200nm, 210nm, 220nm, 254nm, measures absorbance and the transmitance of ion-pairing agent。Testing result in Table 3, and commercially available qualified products comparison, be shown as qualified。
Table 3
| 200nm | 210nm | 220nm | 254nm | |
| A: | 0.03 | 0.017 | 0.011 | 0.005 |
| T%: | 93.3 | 96.2 | 97.5 | 98.8 |
Determinand described in above-described embodiment 1-3 refers to that being dissolved in water is configured to 0.005mol/L aqueous solution, and the collocation method of the water wherein dissolving determinand is: add potassium permanganate after second distillation, removes peroxide impurity and get final product after repurity。
And when wavelength 200nm, absorbance is less than 0.03, and transmitance reaches 93%；
When wavelength 210nm, absorbance is less than 0.02, and transmitance reaches 96%；
When wavelength 220nm, absorbance is less than 0.015, and transmitance reaches 97%；
When wavelength 254nm, absorbance is less than 0.005, and transmitance reaches 98.2%；
It is qualified to be。
The above-mentioned detailed description this kind of ion-pairing agent method of quality control carried out with reference to embodiment; it is illustrative rather than determinate; can according to restriction scope list several embodiments; therefore without departing from changing and modifications under present general inventive concept, should belong within protection scope of the present invention。
Claims (3)
1. an ion-pairing agent method of quality control, it is characterised in that: adopt ultraviolet spectrophotometry, determinand 0.005mol/L, respectively when 200nm, 210nm, 220nm, 254nm, measure absorbance and the transmitance of ion-pairing agent。
2. ion-pairing agent method of quality control according to claim 1, it is characterised in that: described determinand is C3-C10Sodium sulfonate。
3. ion-pairing agent method of quality control according to claim 1, it is characterised in that: the collocation method of described determinand is: C3-C10Sodium sulfonate is soluble in water is configured to 0,05mol aqueous solution, and wherein water is addition potassium permanganate after second distillation, removes the water of peroxide impurity after repurity。
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Citations (6)
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| CN101408510A (en) * | 2008-10-15 | 2009-04-15 | 深圳市龙澄高科技环保有限公司 | Method for measuring dioxins in fly ash by ultraviolet spectrophotometer |
| CN101650304A (en) * | 2009-08-06 | 2010-02-17 | 嘉兴学院 | Method for determining content of sodium p-toluenesulfinate in reduction process of p-toluenesulfonyl chloride |
| WO2013138929A1 (en) * | 2012-03-19 | 2013-09-26 | Ormeci Beckers Banu | Measurement of treatment agent in a process stream using ultraviolet-visible (uv-vis) spectroscopy, and related systems and processes |
| CN103543116A (en) * | 2013-09-24 | 2014-01-29 | 上海纳米技术及应用国家工程研究中心有限公司 | Detection of sodium dodecyl benzene sulfonate in water by derivative spectrophotometry |
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2014
- 2014-11-26 CN CN201410693040.9A patent/CN105699308A/en active Pending
Patent Citations (6)
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| EP0296646A2 (en) * | 1987-05-08 | 1988-12-28 | Shell Internationale Researchmaatschappij B.V. | Analytical method to determine the gum content in a hydrocarbon |
| EP1790977A1 (en) * | 2005-11-23 | 2007-05-30 | SONY DEUTSCHLAND GmbH | Nanoparticle/nanofiber based chemical sensor, arrays of such sensors, uses and method of fabrication thereof, and method of detecting an analyte |
| CN101408510A (en) * | 2008-10-15 | 2009-04-15 | 深圳市龙澄高科技环保有限公司 | Method for measuring dioxins in fly ash by ultraviolet spectrophotometer |
| CN101650304A (en) * | 2009-08-06 | 2010-02-17 | 嘉兴学院 | Method for determining content of sodium p-toluenesulfinate in reduction process of p-toluenesulfonyl chloride |
| WO2013138929A1 (en) * | 2012-03-19 | 2013-09-26 | Ormeci Beckers Banu | Measurement of treatment agent in a process stream using ultraviolet-visible (uv-vis) spectroscopy, and related systems and processes |
| CN103543116A (en) * | 2013-09-24 | 2014-01-29 | 上海纳米技术及应用国家工程研究中心有限公司 | Detection of sodium dodecyl benzene sulfonate in water by derivative spectrophotometry |
Non-Patent Citations (1)
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| 邢书才 等: "紫外分光光度法在水中阴离子表面活性剂标准样品研制中的应用", 《干旱环境监测》 * |
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