Chemistry of iodoform test is: Secondary alcohols also give positive iodoform test because during the reaction conditions, it gets oxidized to a methyl ketone.9 people found this useful.hemistry of iodoform test is: Secondary alcohols also give positive iodoform test because during the reaction conditions, it gets oxidized to a methyl ketone. 9 people found this useful.
Patent Drawing of a Subsea BOP Stack (with legend) A blowout preventer (BOP) is a large, specialized valve or similar mechanical device, used to seal, control and monitor oil and gas wells to prevent blowout, the uncontrolled release of crude oil and/or natural gas from a well. They are usually installed redundantly in stacks.
Subslab Depressurization. Sub-slab depressurization or sub-slab suction is probably the most reliable and effective radon mitigation technique. It involves an insertion of a pipe (usually 4 inches in diameter) through the floor slab into the soil or gravel under the foundation. This can be done either from inside the house, or inserted under the slab from the outside.