This standard specifies the iodometric method for the determination of formic acid content in industrial glacial acetic acid. This standard applies to the determination of formic acid content in industrial glacial acetic acid products.
GB/T 1628.4-2000 history
2020GB/T 1628-2020 Glacial acetic acid for industrial use
2008GB/T 1628-2008 Glacial acetic acid for industrial use
2000GB/T 1628.4-2000 Glacial acetic acid for industrial use-Determination of formic acid content-Iodometric method
GB/T 1628.4-2000 Glacial acetic acid for industrial use-Determination of formic acid content-Iodometric method was changed to GB/T 1628-2008 Glacial acetic acid for industrial use.