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GBT37160-2019

Chinese Standard: 'GBT37160-2019'
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GB/T 37160-2019English130 Add to Cart 0--15 minutes. Auto immediate delivery. Standard test method for determination of trace metals in heavy distillate, residual oil and crude oil -- Inductively coupled plasma optical emission spectrometry (ICP-OES) Valid GB/T 37160-2019
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GB/T 37160-2019
NATIONAL STANDARD OF THE
PEOPLE’S REPUBLIC OF CHINA
ICS 75.140
E 49
Standard Test Method for Determination of Trace
Metals in Heavy Distillate, Residual Oil and Crude Oil –
Inductively Coupled Plasma Optical Emission
Spectrometry (ICP-OES)
重质馏分油, 渣油及原油中痕量金属元素的测定
电感耦合等离子体发射光谱法
ISSUED ON: MARCH 25, 2019
IMPLEMENTED ON: OCTOBER 01, 2019
Issued by: State Administration for Market Regulation;
Standardization Administration of PRC.
Table of Contents
Foreword ... 3
Introduction ... 4
1 Scope ... 5
2 Normative References ... 5
3 Method Summaries ... 6
4 Apparatus ... 6
5 Reagents and Materials ... 7
6 Safety Events ... 7
7 Sampling and Specimen Processing ... 8
8 Preparation ... 8
9 Test Procedures ... 11
10 Calculation ... 12
11 Expression of Results ... 13
12 Precision and Deviation ... 13
Bibliography ... 15
Standard Test Method for Determination of Trace
Metals in Heavy Distillate, Residual Oil and Crude Oil –
Inductively Coupled Plasma Optical Emission
Spectrometry (ICP-OES)
Warning: This Standard involves certain hazardous materials, operation and
equipment; but is not intended to advise on all related safety issues. Therefore,
users shall establish appropriate safety and protection measures and determine
the applicability of the relevant regulatory restrictions before applying this
Standard.
1 Scope
This Standard specifies using inductively coupled plasma optical emission
spectrometry (ICP-OES) to determine the element contents such as aluminum,
calcium, iron, potassium, magnesium, manganese, molybdenum, sodium, nickel, leak,
vanadium and zinc in the heavy distillates, residual oils and crude oils.
This Standard is applicable to the determination of trace metals in the heavy distillates,
residual oils and crude oils; the Table 1 gives the measured concentration range and
recommended wavelength of each element.
NOTE: Heavy distillates refer to the components distilled under reduced pressure, such as
heavy diesel oil, wax oil, catalytic raw materials, vacuum gas oil, and the like.
2 Normative References
The following documents are essential to the application of this document. For the
dated documents, only the versions with the dates indicated are applicable to this
document; for the undated documents, only the latest version (including all the
amendments) are applicable to this document.
GB/T 4756 Petroleum Liquids - Manual Sampling
GB/T 6682-2008 Water for Analytical Laboratory Use - Specification and Test
Methods
4.14 Oven: The temperature can be controlled between 50°C and 60°C.
4.15 Water bath: The temperature can be controlled between 50°C and 100°C.
5 Reagents and Materials
5.1 Reagent purity: All reagents used in this Standard are of analytical grade or higher
purity. If other grades of reagents are used, check the reagents for sufficient purity to
ensure that the accuracy of the results is not affected.
5.2 Hydrochloric acid: The mass fraction is 36% ~ 38%.
Warning: Hydrochloric acid is corrosive acid that can cause burns.
5.3 Nitric acid: The mass fraction is 65%~68%.
Warning: Nitric acid is a corrosive acid that can cause burns.
5.4 Aqua regia: Nitric acid and hydrochloric acid shall be mixed in a volume ratio of 1:3;
and it shall be prepared currently before each use.
Warning: Aqua regia is a corrosive acid that can cause burns.
5.5 Sulfuric acid: The mass fraction is 95%~98%.
Warning: Sulfuric acid is a corrosive acid that can cause burns.
5.6 Water: Deionized water; meet the requirements of Class-II water specified in GB/T
6682-2008.
5.7 Standard solution of internal standard element of scandium: The concentration is
1000mg/L; a commercially available standard solution can be used.
5.8 Standard solutions of metal elements: The concentration of aluminum, calcium,
iron, potassium, magnesium, manganese, molybdenum, sodium, nickel, lead,
vanadium and zinc is 1000mg/L, respectively; a commercially available standard
solution can be used.
6 Safety Events
This Standard requires the use of high-pressure gas and corrosive acid. In the process
of using nitric acid, hydrochloric acid, sulfuric acid, aqua regia, appropriate personal
protective equipment shall be provided. Special tools shall be used to open high-
pressure gas such as argon and compressed air.
8.3 Preparation of standard storage solution for metal element
8.3.1 Standard storage solution A for metal element: use pipette (4.7) to s......
Related standard:   GB/T 32812-2016  GB/T 3407-2019
   
 
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