This standard specifies methods for determining the available silicon in forest soil slopes using HOAc buffer leaching-silica aluminum blue colorimetric method and citric acid leaching-silica molybdenum blue colorimetric method. This standard is applicable to the determination of available silicon in forest soil.
LY/T 1266-1999 history
1999LY/T 1266-1999 Determination of available silica in forest soil