CAUTION: As a contractor you do not charge your customers sales tax on the total amount of the contract. It is not lawful to charge tax on the tax you have already paid. In the above example, had Hammertime charged a total of $2,130 for the job ($2,000 X .065 tax), the $130 tax must be remitted. The amount of sales tax collected from the customer is the amount that must be remitted to KDOR.
Ninhydin is a chemical that reacts with the aminio acids found in fingerprints. When the chemical contacts the amino acids, the combination of the two turns a bright purple color.The coloring is known as Ruhemannâs purple, named after the man who discovered ninhydrin, Siegfried Ruhemann.inhydrin comes in pre-mixed aerosol cans and, in a chrystal form. When using the chrystals, detectives and crime scene investigators must mix the ninhydrin with a carrier, such as acetone â the same chemical thatâs found in fingernail polish remover â or alcohol. The mix is then placed in a spray bottle for use.
A nuchal scan (NT Procedure) is a sonographic prenatal screening scan (ultrasound) to help identify higher chances for chromosomal conditions including Down syndrome in a fetus, particularly for older women who have higher risks of such pregnancies.creening for Down syndrome by a combination of maternal age and thickness of nuchal translucency in the fetus at 11â14 weeks of gestation was introduced in the 1990s. This method identifies about 75% of affected fetuses while screening about 5% of pregnancies.