Your answer depends on the purpose of your test.
Pure new wool is wool that has not been used before. Pure new wool can be any of the wools. Pure merino pure, lambs wool, alpaca. Virgin wool and Pure new wool can be synonymous. Always look for the woolmark.
it is Pure :)
You can perform a microscopic purity test by using transmitted light to see if the fibers form simple shapes. For example, cashmere's fine fiber will appear as small blocks next to each other. Pure cashmere is always labeled as 100% cashmere and it is soft and slippery, but if it is part silk, it will appear shiny.
"Pure-" is a common prefix for purity.
Laine wool simply means "pure" wool.
The percentage of gold in gold bearing alloys. Measuring - by having the sample rubbed with a piece of cotton wool rinsed in nitric acid and comparing the color received with a set of known purities
A thermometer can be used to check the purity of a metal by measuring its melting or freezing point. Impurities in a metal can alter its melting point, so a pure metal should have a specific and consistent melting point. By comparing the measured melting point with the known melting point of the pure metal, the level of purity can be evaluated.
purity
purity
purity
You can perform a microscopic purity test by using transmitted light to see if the fibers form simple shapes. For example, cashmere's fine fiber will appear as small blocks next to each other. Pure cashmere is always labeled as 100% cashmere and it is soft and slippery, but if it is part silk, it will appear shiny.
pure substance