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Position: Standard Search VALID TO BE VALID SUPERSEDED TO BE SUPERSEDED ABOLISHED TO BE ABOLISHED
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LY/T 1270-1999 Determination of total silica iron aluminium calcium magnesium potassium sodium phosphorus sulphur manganese copper and zinc in forest soil (USD) via email in 1-3 business day VALID
NY/T 88-1988 Method for determination of soil total phosphorus (USD) via email in 1 business day VALID
GB 7839-1987 (USD) via email in 1-3 business day ABOLISHED
NY/T 52-1987 Method for the determination of soil water content (USD) via email in 1 business day VALID
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