Valid

GB/T 31578-2015Inspection of grain and oils -- Determination of crude proteia content in grain and its products -- Combustion method according to the Dumas prunple (English PDF)

粮油检验粮食及制品中粗蛋白测定杜马斯燃烧法

Preview PDF

This is a limited preview

Buy now to download the full PDF (13 pages)

Need quotation for your management?

Get a formal quotation for GB/T 31578-2015 in 30 minutes.

Issued by

Standardization Administration of China

Level / Type

National · Recommended

Issue date

May 15, 2015

Implementation date

November 23, 2015

Scope

GB/T 31578-2015 is the English-translated version of 粮油检验粮食及制品中粗蛋白测定杜马斯燃烧法.

GB/T 31578-2015 — This standard specifies the determination using the Dumas combustion method cereals, beans and products in the total nitrogen content and crude protein content of terms and definitions, the original Li, reagents, instruments and equipment, sampling, sample preparation, test procedures, the results of calculation and representation, precision and test reports.

This standard applies to cereals, legumes and determination of the crude protein content of the products.

Found what you need?

Document preview — GB/T 31578-2015

National Standard of the People's Republic of China

ICS: 67.040
Classification: X 10

Issued by: Standardization Administration of China

What this standard covers1
Document data2
Standards quoted by this document3

What this standard covers

This Standard specifies the use of the Dumas combustion method for the determination of cereals, legumes and product terms and definitions in the total nitrogen content and crude protein content, principle, reagents, instruments and equipment, sampling, sample preparation, test procedures, the results of calculation and representation, precision and test reports. This Standard applies to cereals, legumes and products measured in the crude protein content.

Document data

International classification (ICS): 67.040.

Chinese classification (CCS): X10.

Estimated length of the Chinese original: 19,134 words.

Adopted international standard: ISO/TS 16634-2-2009, MOD.

Standards quoted by this document

GB/T 10362; GB/T 21305; ISO 24333; ISO 24557

......
This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 13 pages — is available in the English PDF.

Referenced standards

Normative references

ISO 6540 · ISO 712 · ISO 24333 · ISO 24557

How to Download GB/T 31578-2015

1
Add to cart
Click "Download PDF" on this page and choose "Buy this standard". You can add more standards before checkout.
2
Checkout
Enter your email and billing details. Payment is processed securely by Stripe (cards or bank transfer). Prefer bank details? Request a quotation (min. order $300).
3
Instant delivery (0–9 sec)
Delivery is automatic: within seconds of payment you'll receive an email with a secure download link. The link stays valid for 72 hours.
4
Invoice included
A tax invoice is attached to the confirmation email. Need a custom invoice? Contact us.