SH/T 0631-1996 in English

VALID

Determination method for barium, calcium, phosphorus, sulfur and zinc in lubricating oil and additive (X-ray fluorescence spectrum method)

Issued on:1996-05-24
Implemented on:1996-12-01
File Format:PDF
Delivery:Via email within 1~3 business days

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Standard No:	SH/T 0631-1996
Document status:	VALID
Title in English:	Determination method for barium, calcium, phosphorus, sulfur and zinc in lubricating oil and additive (X-ray fluorescence spectrum method)
Title in Chinese:	润滑油和添加剂中钡、钙、磷、硫和锌测定法(X射线荧光光谱法)
Language:	English
File Format:	Electronic (PDF)
Delivery:	Via email within 1~3 business days
Issued on:	1996-05-24
Implemented on:	1996-12-01
Professional Classification:	SH-Petrochemical
Related Keywords:	x-ray fluorescence spectrum method determination method lubricating oil x-ray fluorescence intensity mathematical method
Related Topics:	Fluorescence Spectroscopy x-ray fluorescence xFluorescent Reagent sh t0629 1996 Fluorescence Spectroscopy x-ray fluorescence standard sh+t0629+1996 X-ray fluorescence x-ray fluorescence standard calcium phosphorus Disulfiram spectrum fluorescence spectroscopy line fluorescence spectroscopy thiamine fluorescein x-ray fluorescence spectroscopy SH/T+0629-1996 SH/T+0629-1996+ X-ray fluorescence spectroscopy Phosphobarium lubricating oil Fluorescence Spectroscopy and X-ray Fluorescence Spectroscopy Determination of Lanthanum and Yttrium in Molybdenum by X-fluorescence Spectrometry Fluorescence Spectrometry Peaks x-ray fluorescence spectrometry spectral heating x-ray fluorescence spectroscopy fluorescent and phosphorescent x-ray fluorescence spectroscopy sh/t0630-1996 Determination of phosphorus, sulfur, calcium and zinc in lubricating oils by energy dispersive x-ray fluorescence spectrometry ray fluorescence spectrometry Lubricant Additives x-ray spectroscopy x-ray fluorescence spectroscopy Multiple peaks in the fluorescence emission spectrum Phosphorus, sulfur, calcium and zinc content in lubricating oil Fluorescent determination of oil samples fluorescence and phosphorescence Fluorescent Phosphorus Phosphorescence and Fluorescence Fluorescence and phosphorescence6 x-ray fluorescence Spectrometer sample Phosphorescence and Fluorescence fluorescent and phosphorescent fluorescent light x-ray fluorescence spectroscopy Fluorescence and phosphorescence somewhat Ratio of Fluorescence to Phosphorescence x-ray fluorescence and icp Spectrometer sample Phosphorus and sulfur Fluorescence Spectrum of Gasoline fluorescence spectroscopy x-ray fluorescence X-ray fluorescence Fluorescence X-ray Spectroscopy and Energy Spectroscopy Determination of oil in water Fluorescence calcium phosphorus X-fluorescence analysis of element content of lubricating oil additives Fluorescence and Emission Spectroscopy Lubricating oil spectrometer Spectroscopy and Fluorescence Calcium in lubricating oil X-ray Spectroscopy and Fluorescence x-ray fluorescence spectrometry Fluorescence Spectroscopy From the fluorescence spectrum sh t 0356-1996 sh/t 0356-1996 sh/t0356-1996 sh1996 X-ray fluorescence spectroscopy for niobium and sulfur X-ray fluorescence spectroscopy lubricating oil x fluorescent Lubricating oil x fluorescence analysis SH/T 0631-1996 Applications of X-ray Fluorescence Spectroscopy Fluorescence spectrum lines are not smooth X-ray fluorescence filter paper drip method Advantages of X-ray Fluorescence Spectrometry X fluorescent release agent The role of x-ray spectroscopy in drug research Guangguang

1 Scope

This standard is applicable to determination of contents of barium, calcium, phosphorus, sulfur and zinc in lubricating oil and additive with element concentration scope of 0.03%(m/m)~1.0%(m/m)[0.01%(m/m)~2.0%(m/m) for sulfur]. The lubricating oil and additive with high element concentration may be determined after dilution.

2 Summary of Method

2.1 Calibration of measurement strength of analytic element with mathematical method may prevent from interference of other elements in the specimen and X ray fluorescence spectrum strength of all the elements shall be known in case of calibration with mathematical methods.
2.1.1 Place the specimen in X ray bundle and determine X-ray fluorescence intensity and background intensity of analytical line of barium, calcium, phosphorus, sulfur and zinc; the analytic element concentration is obtained by the measured net strength (analytical line intensity minus background intensity) and the correction factor obtained from the standard sample through calculation.
2.1.2 The inter-element correction factor may be calculated through regression analysis with a series of standard samples and the initial calibration is also carried out for X-ray fluorescence spectrometer.
2.1.3 The apparatus calibration may be finished with a small amount of specimen and only carried out when the inter-element correction factor needs to be re-determined. In case of lots of analysis, any of these specimens may monitor the drifting of the apparatus.
2.2 Specimens may be diluted with a diluent (white oil, coal oil and dimethylbenzene etc) in case of determination of additive or complex additive to make the analytic element concentration within the scope specified in Chapter 1.

3 Significance and Use

Some lubricating oils formulae contain the organometallic additive which plays an roles of detergent agent, oxidation inhibitor and antiwear additive etc. ; some additives contain one or more elements of barium, calcium, phosphorus, sulfur and zinc and this standard provides methods to determine the concentration of the five elements. The measured concentration provides data for the contents of additive in lubricating oil.

Contents
Foreword I
1 Scope
2 Summary of Method
3 Significance and Use
4 Interference
5 Apparatus
6 Reagents and Materials
7 Preparation of the Calibration Standard Sample
8 Calibration
9 Procedure
10 Precision and Bias

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