GB/T 6900.7-1986 English PDFUS$199.00 · In stock
Delivery: <= 2 days. True-PDF full-copy in English will be manually translated and delivered via email. GB/T 6900.7-1986: Fireclay and high-alumina refractories--Determination of magnesium oxide content--Xylidyl blue I-CTAB photometric method Status: Obsolete
Basic dataStandard ID: GB/T 6900.7-1986 (GB/T6900.7-1986)Description (Translated English): Fireclay and high-alumina refractories--Determination of magnesium oxide content--Xylidyl blue I-CTAB photometric method Sector / Industry: National Standard (Recommended) Classification of Chinese Standard: Q40 Classification of International Standard: 81.08 Word Count Estimation: 3,388 Date of Issue: 9/16/1986 Date of Implementation: 9/1/1987 Adopted Standard: �������� 2642-5-1981, NEQ Regulation (derived from): China Announcement of Newly Approved National Standards No. 10 of 2006 (No. 97 overall) Issuing agency(ies): National Bureau of Standards |