If you do, QuickBooks will remove them from Box 7. Once you have completed assigning the 1099 form, select the Accounting Preferences, Company Tab and select. the option to Show Lowest Subaccount Only. This option is only active when you check the Use Account.
Apart from the above uses of copper sulfate, this compound is also used in preparation of wood preservatives to protect timber from wood worms. It is also utilized as a mordant in dyeing, and as a reagent in tanning process.
Ferrous sulfate was used in the manufacture of inks, most notably iron gall ink, which was used from the middle ages until the end of the eighteenth century. Chemical tests made on the Lachish letters [circa 588/6 BCE] showed the possible presence of iron (Torczyner, Lachish Letters, pp. 188â95).