Valid

GB/T 2923-1995Determination of ISO speed of black-and-white pictorial still camera negative film/process systems (English PDF)

Preview PDF

This is a limited preview

Buy now to download the full PDF (4 pages)

Need quotation for your management?

Get a formal quotation for GB/T 2923-1995 in 30 minutes.

Issued by

State Bureau of Technical Supervision

Level / Type

National · Recommended

Issue date

December 20, 1995

Implementation date

August 1, 1996

Scope

GB/T 2923-1995 (Determination of ISO speed of black-and-white pictorial still camera negative film/process systems) is available as an English-translated PDF.

GB/T 2923-1995 — This standard specifies the determination of black and white photographic negatives ISO sensitivity. This standard applies to the use of generic drugs and equipment for processing the film, but also applies to the special processing of the film, for example, developing activators or thermal imaging.

Found what you need?

Document preview — GB/T 2923-1995

National Standard of the People's Republic of China

ICS: 37.060.20
Classification: G 80
Replacing: GB 2923-1982

Issued by: State Bureau of Technical Supervision

What this standard covers1
Document data2
Standards quoted by this document3

What this standard covers

This standard specifies the determination of black and white photographic negatives ISO sensitivity. This standard applies to the use of generic drugs and equipment for processing the film, but also applies to the special processing of the film, for example, developing activators or thermal imaging. This standard does not apply to film photography, aerial photography, plate printing, photography and photomicrography ray film, does not apply to negative diffusion transfer system.

Document data

International classification (ICS): 37.060.20.

Chinese classification (CCS): G80.

Estimated length of the Chinese original: 6,665 words.

Adopted international standard: ISO 6-1993, IDT.

Supersedes the earlier edition GB 2923-1982.

Standards quoted by this document

GB 11500; GB 11501; GB 15061

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

How to Download GB/T 2923-1995

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.