Is there a national or ISO standard for lysimachia-concrete?
There is no single-product GB or ISO standard for lysimachia concrete. Top builds the spec on the enterprise standard Q/XXXX (built on GB 5009 series, GB 4789 series, and fragrance-material practice), with fragrance (not food) positioning.
Must-Test
Coumarin content, solvent residue, Pb/As/Cd/Hg, total plate count, mould & yeast.
Background
Lysimachia is a traditional Chinese fragrance/herb; its concrete has no dedicated ISO or single-product GB..
Methods
Coumarin by HPLC/GC; solvent residue by GB 5009.262; contaminants by GB 5009 series; micro by GB 4789 series.
Buyers may name Q/XXXX as acceptance basis.
Relate Products
This article was published on 2026-09-22, and last updated on 2026-09-22. The article will be continuously updated.
