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SN/T 4034-2014 English PDF

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SN/T 4034-2014: Determination of naphthols in cosmetics for import and export - LC-MS/MS method
Status: Valid
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PDF similar to SN/T 4034-2014


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Basic data

Standard ID SN/T 4034-2014 (SN/T4034-2014)
Description (Translated English) Determination of naphthols in cosmetics for import and export - LC-MS/MS method
Sector / Industry Commodity Inspection Standard (Recommended)
Classification of Chinese Standard Y42
Classification of International Standard 71.100.70
Word Count Estimation 19,123
Date of Issue 12/1/2014
Date of Implementation 5/1/2015
Quoted Standard GB/T 6682
Regulation (derived from) State-Quality-Inspection-accreditation [2014] 614
Issuing agency(ies) General Administration of Customs
Summary This standard specifies the cosmetics ��- naphthol and ��- naphthol liquid chromatography - mass spectrometry/mass spectrometry. This standard applies to hair dye, perm water, elastin, water gel, nail polish, foundation and other cosmetics ��- naphthol and ��

SN/T 4034-2014: Determination of naphthols in cosmetics for import and export - LC-MS/MS method

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(Determination of the import and export cosmetics naphthol liquid chromatography - mass spectrometry/mass spectrometry) People's Republic of China Entry-Exit Inspection and Quarantine Standards Determination of the import and export of cosmetics naphthol Liquid chromatography - mass spectrometry/mass spectrometry LC-MS/MSmethod Issued on. 2014-11-19 2015-05-01 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. Please note that some of the content of this document may involve patents. Distribution of this document Institutions do not assume the responsibility to identify these patents. This standard is proposed and managed by the National Certification and Accreditation Administration Committee. This standard was drafted. Jilin People's Republic of China Exit Inspection and Quarantine. The main drafters of this standard. Kangming Qin, Li Aijun, Mou Jun, ZHANG Dai Hui, Hu Tingting Zhao Yun-hui. Determination of the import and export of cosmetics naphthol Liquid chromatography - mass spectrometry/mass spectrometry

1 Scope

This standard specifies the cosmetics α- naphthol and β- naphthol liquid chromatography - mass spectrometry/mass spectrometry. This standard applies to hair dye, perm water, elastin, water gel, nail polish, foundation and other cosmetics α- naphthol and β- naphthol and determination Confirmed.

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

Samples were extracted with methanol, solid phase extraction (SPE), liquid chromatography - mass spectrometry/mass spectrometer and validation, external standard.

4 Reagents and materials

Unless otherwise specified, the reagents were of analytical grade water as a water GB/T 6682 regulations. 4.1 Methanol. HPLC grade. 4.2 acetonitrile. HPLC grade. 4.3 Standard substance. α- naphthol (α-naphthol, CASN o.90-15-3, C10H8O), β- naphthol (β-naphthol, CASN o.135-19-3, C10H8O). Purity ≥98%. 4.4 50% methanol solution (volume fraction). Take 500mL of methanol, diluted with water and dilute to 1000mL. 4.5 standard stock solution. 1.0mg/mL. Accurately weighed amount of standard (accurate to 0.0001g), were prepared with a concentration of methanol Standard stock solution 1.0mg/mL of, 0 ℃ ~ 4 ℃ preservation. 4.6 standard solution. from standard stock solution (4.5) in Imbibe 1.0mL in 100mL flask, diluted with methanol to 10.0μg/mL mixed standard intermediate solution. Then according to need to use a blank matrix solution (4.7) diluted preparation of appropriate concentration using standard work Solution, using now. 4.7 blank matrix solution. Choose free naphthol and specimen sample to be tested with the species, according to the measuring step 7.1 and 7.2 treatment group to give a blank Interstitial fluid. 4.8 SPE column (SPE). polystyrene - divinylbenzene - pyrrolidone (PLS), 150mg, 6mL, or equivalent person; successively before use With 5mL of methanol, 5mL water activated. 4.9 microporous membranes. organic, 0.22μm.

5 instruments and equipment

5.1 Liquid chromatography - mass spectrometry/mass spectrometry. equipped with electrospray ionization (ESI).

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