JB/T 9220.4-1999
铸造化铁炉酸性炉渣化学分析方法 亚砷酸钠-亚硝酸钠容量法测定一氧化锰量
The official Chinese title is shown unchanged. Standard identifiers, dates and issuing bodies come from the catalogue record; navigation and explanatory labels are in English.
This index does not reproduce normative text. Open the official catalogue record and confirm the controlling edition before relying on it in a contract, declaration or regulatory filing.
Scope
No scope excerpt is held in this catalogue record. Use the official publisher link to inspect the controlling text and confirm whether the standard applies to the product.
Version history
Earlier editions: None recorded
Later editions: None recorded
Version chains are derived from the standard identifier and year. Confirm the edition named in the buyer's specification or tender.
Need a product-specific answer?
The library and assistant stay open. For a named review of the applicable edition, test basis or export document set, send the product, destination and decision you need checked.