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SN/T 3119-2012: Determination of distearyl dimethyl ammonium chloride in dyeing and finishing textile agents. LC-MS/MS
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Determination of distearyl dimethyl ammonium chloride in dyeing and finishing textile agents. LC-MS/MS
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Standard similar to SN/T 3119-2012
GB/T 23978 | GB/T 2374 | GB 19601 | Basic data
| Standard ID | SN/T 3119-2012 (SN/T3119-2012) |
| Description (Translated English) | Determination of distearyl dimethyl ammonium chloride in dyeing and finishing textile agents. LC-MS/MS |
| Sector / Industry | Commodity Inspection Standard (Recommended) |
| Classification of Chinese Standard | G55 |
| Classification of International Standard | 71.100.40 |
| Word Count Estimation | 8,857 |
| Quoted Standard | GB/T 6682 |
| Regulation (derived from) | National Quality Inspection (2012) 237; industry standard filing Notice 2012 No. 9 (Total No. 153); |
| Issuing agency(ies) | General Administration of Customs |
| Summary | This standard specifies the dyeing and finishing auxiliaries distearyl dimethyl ammonium chloride (DSDMAC) liquid chromatography mass spectrometry Shenlian. This standard applies to dyeing and finishing auxiliaries distearyl dimethyl ammonium chloride det |
SN/T 3119-2012: Determination of distearyl dimethyl ammonium chloride in dyeing and finishing textile agents. LC-MS/MS
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Determination of distearyl dimethyl ammonium chloride in dyeing and finishing textile agents.LC-MS/MS
People's Republic of China Entry-Exit Inspection and Quarantine Standards
Determination of dyeing and finishing auxiliaries distearyl dimethyl ammonium chloride
Liquid chromatography - mass spectrometry/mass spectrometry
LC-MS/MS
Issued on. 2012-05-07
2012-11-16 implementation
People's Republic of China
The State Administration of Quality Supervision, Inspection and Quarantine released
Foreword
This standard was drafted in accordance with GB/T 1.1-2009 given rules.
This standard is proposed and managed by the National Certification and Accreditation Administration Committee.
This standard was drafted. People's Republic of China Guangdong CIQ.
The main drafters of this standard. ZHOU Ming-hui, Homocysteine on Lihua Liang, Liu Yingfeng, Yueda Lei, Di Cuiping, Zheng Jianguo, Li Dan, Wangyun Yu.
Determination of dyeing and finishing auxiliaries distearyl dimethyl ammonium chloride
Liquid chromatography - mass spectrometry/mass spectrometry
1 Scope
This standard specifies the dyeing and finishing auxiliaries distearyl dimethyl ammonium chloride (DSDMAC) liquid chromatography - tandem mass spectrometry.
This standard applies to the determination of the dyeing and finishing auxiliaries distearyl dimethyl ammonium chloride in.
NOTE. DSDMAC typically having a carbon chain length of sixteen and eighteen of the mixture of alkyl dimethyl ammonium chloride, i.e., containing dioctadecyl dimethyl ammonium chloride,
Dicetyl dimethyl ammonium chloride, and stearyl dimethyl cetyl ammonium chloride.
2 Normative references
The following documents for the application of this document is essential. For dated references, only the dated version suitable for use herein
Member. For undated references, the latest edition (including any amendments) applies to this document.
Laboratory use specifications and test methods GB/T 6682 Analysis
3 Method summary
In dyeing and finishing auxiliaries distearyl dimethyl ammonium chloride, dicetyl dimethyl ammonium chloride and cetyl stearyl dimethyl chloro
Ammonium target analytes, the sample after the methanol extract by liquid chromatography - tandem mass spectrometer measurement, external standard.
4 Reagents and materials
Unless otherwise indicated, all reagents were of analytical grade water as a water line with GB/T 6682 regulations.
4.1 Methanol. chromatographically pure.
4.2 DSDMAC. purity of greater than 99%, CAS Number. 107-64-2.
4.3 acetic acid.
4.4 0.05% acetic acid solution. accurate Pipette 0.5mL of acetic acid (4.3) in 1L flask with water to volume.
4.5 DSDMAC standard stock solution. accurately weighed 100mg (accurate to 0.1mg) DSDMAC (4.2) in the 200mL beaker,
With methanol (4.1) dissolved quantitatively transferred to a 100 mL volumetric flask with methanol (4.1) to the mark, the concentration of the solution
To 1000mg/L.
4.6 DSDMAC standard solution. accurate Pipette DSDMAC standard stock solution (4.1) stepwise diluted with methanol to prepare a concentration
It was 0.02mg/L, 0.05mg/L, 0.1mg/L, 0.2mg/L, 0.5mg/L, 1.0mg/L of standard solution.
4.7 filter. 0.22μm, organic phase.
5. Apparatus
5.1 Liquid chromatography - tandem quadrupole mass spectrometry (LC-MS/MS) instrument. with electrospray ionization (ESI).
5.2 ultrasonic water bath.
5.3 Analysis of balance. a sense of the amount of 0.1mg.
5.4 conical flask. 100mL, with stopper.
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