ObsoleteGo to latest versionGB/T 220-2018

GB/T 220-1989Determination of carboxyreactivity of coal (English PDF)

GB/T 220 | Evolution and historical versions

Std ID	Title	Status
GB/T 220-2018	Determination of Carboxyreactivity of Coal	Valid
GB/T 220-2001	Determination of carboxyl reactivity of coal	Obsolete
GB/T 220-1989	Determination of carboxyreactivity of coal	Obsolete

GB/T 220-1989 is obsolete. It has been replaced by GB/T 220-2001. This page sells the obsolete edition, for projects and contracts that still cite it.

This is a limited preview

Buy now to download the full PDF

Need quotation for your management?

Get a formal quotation for GB/T 220-1989 in 30 minutes.

Level / Type

National · Recommended

Scope

GB/T 220-1989 (Determination of carboxyreactivity of coal) is available as an English-translated PDF.

GB/T 220-1989 is the Chinese national standard "Determination of carboxyreactivity of coal". It is obsolete: it has been replaced by GB/T 220-2001.

Found what you need?

Document preview — GB/T 220-1989

Document data

1 Document data

Sector: National standard (Recommended).

Status: obsolete, replaced by GB/T 220-2001.

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

Referenced standards

Cited by

How to Download GB/T 220-1989

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.