Cosmetics. Analytical methods. HPLC/UV method for the identification and assay of hydroquinone, ethers of hydroquinone and corticosteroids in skin whitening cosmetic productsWhat is BS EN 16956 Cosmetics Analytical methods HPLC UV method about? BS EN 16956 is applicable to cosmetics. BS EN 16956 specifies a HPLC UV method for the identification and quantification of hydroquinone, 3 ethers of hydroquinone and 4 corticosteroids most frequently found in illegally sold skin whitening cosmetic products: clobetasol propionate, betamethasone dipropionate, fluocinonide and fluocinolone acetonide. BS EN 16956 also gives HPLC UV

This part of ISO 10767 establishes a test procedure for measuring the source flow ripple and source impedance of positive-displacement hydraulic pumps

Who is BS EN 13972 - Calculation of the capacities of plastic containers for

the waste gas from stationary sources

so far as possible

BS ISO 3664:2009 Graphic technology and photography

BS EN 61400-21:2008 includes additional information:

designed for servicing aircraft and intended to be used under the conditions given in EN 19151:2013

It is essential to safeguard user from electric shocks and other material damages which might occur due to breakdown of insulating material used in devices and appliances

BS 6318-3 on the dimensions of deep elevator bucket with flat rear wall is useful for:

— release of formaldehyde (suspended ceiling kits and membrane components only)

and product grade B for threads above M16

chocolate custard powder