YS/T 438.4-2001Methods for physical performance determination of sandy alumina. Determination of specific surface area. B. E. T. method (English PDF)
砂状氧化铝物理性能测定方法 比表面积的测定
YS/T 438.4 | Evolution and historical versions
| Std ID | Title | Status |
|---|---|---|
| YS/T 438.4-2013 | Methods for Physical Performance Determination of Sandy Alumina - Part 4: B.E.T Method for Determination of Specific Surface Area | Valid |
| YS/T 438.4-2001 | Methods for physical performance determination of sandy alumina. Determination of specific surface area. B. E. T. method | Obsolete |
YS/T 438.4-2001 is obsolete. It has been replaced by YS/T 438.4-2013. 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 YS/T 438.4-2001 in 30 minutes.
Issued by
China Non-Ferrous Metals Industry Association
Level / Type
National · Recommended
Issue date
February 12, 2001
Implementation date
May 1, 2001
Scope
YS/T 438.4-2001 is the English-translated version of 砂状氧化铝物理性能测定方法 比表面积的测定.
YS/T 438.4-2001 is the Chinese industry standard "Methods for physical performance determination of sandy alumina. Determination of specific surface area. B. E. T. method".
It was issued on February 12, 2001 by China Non-Ferrous Metals Industry Association, and took effect on May 1, 2001. It is obsolete: it has been replaced by YS/T 438.4-2013.
Found what you need?
Document preview — YS/T 438.4-2001
National Standard of the People's Republic of China
Issued by: China Non-Ferrous Metals Industry Association
Contents
- Document data
1 Document data
Sector: National Recommended (industry standard).
Issuing body: China Non-Ferrous Metals Industry Association.
Date of issue: 2001-02-12.
Date of implementation: 2001-05-01.
Status: obsolete, replaced by YS/T 438.4-2013.
......
This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — all pages — is available in the English PDF.
How to Download YS/T 438.4-2001
- 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.
Related Standards
YS/T 438.5-2013 — Methods for physical performance determination of Sandy alumina. Part 5: X-ray diffraction spectrum method for detemination of α-alumina content
YS/T 438.3-2001 — Methods for physical performance determination of sandy alumina. Determination of the angle of repose
YS/T 438.5-2001 — Methods for physical performance determination of sandy alumina. Determination of α-alumina content. X-ray diffraction spectrum method
Secure payment via Stripe
Payments accepted
YS/T 438.4-2001
$169.00