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GB/T 9170-1988Lubricating oils and fueloils. Determination of total nitrogen. Modified Kjeldahl method (English PDF)

润滑油及燃料油中总氮含量测定法(改进的克氏法)

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Issued by

SAMR; SAC

Level / Type

National · Recommended

Issue date

April 29, 1988

Implementation date

April 1, 1989

Scope

GB/T 9170-1988 is the English-translated version of 润滑油及燃料油中总氮含量测定法(改进的克氏法).

GB/T 9170-1988 — This standard applies to the determination of total nitrogen content in the lubricating oil and fuel oil. Lubricant measurement range of 0. 03 to 0. 1% nitrogen; fuel 0. 015 to 2. 0% nitrogen.

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Document preview — GB/T 9170-1988

National Standard of the People's Republic of China

ICS: 75.08
Classification: E 34

What this standard covers1
Document data2

What this standard covers

This standard applies to the determination of total nitrogen content in the lubricating oil and fuel oil. Lubricant measurement range of 0. 03 to 0. 1% nitrogen; fuel 0. 015 to 2. 0% nitrogen. This standard does not apply to containing nitrogen-oxygen bond (NO), nitrogen-nitrogen bond (NN) of certain substances, but can be accurately measured plus a nitrogen-containing ashless lubricating oil additives nitrogen.

Document data

International classification (ICS): 75.08.

Chinese classification (CCS): E34.

Estimated length of the Chinese original: 6,644 words.

Adopted international standard: ASTM D3228-1983, NEQ.

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This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 4 pages — is available in the English PDF.

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