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Survey of chemical substances in kohl and henna products

Table 4. Henna products, inorganic analysis – screening analyses

Ana-
lyte		 Name DL
µg/g		 %RSD Sample no.: 31341-
1 2 3 4 5 8 9 10
µg/g µg/g µg/g µg/g µg/g µg/g µg/g µg/g
Li Lithium 0.5 4.6% - 2.9 3.4 - 3.5 3.3 - -
Be Beryllium 1 14% - - - - - - - -
B Boron 5 4.6% - 62 86 - 60 24 - -
Na Sodium 1 1.9% 5000 1500 500 980 840 1000 110 11
Mg Magnesium 1 1.7% 56 5300 6000 41 4800 2800 1.1 -
Al Aluminium 1 4.7% 2.6 1600 1100 2.9 970 540 14 1.1
Si Silicon 10 6.3% 17 860 710 17 510 600 95 -
K Potassium 5 2.8% 63 7400 8200 23 > 6500 8.0 -
Ca Calcium 5 2.8% 19 20000 24000 16 19000 13000 5.2 -
Sc Scandium 0.5 4.1% - 0.56 0.55 - - - - -
Ti Titanium 0.5 6.5% 0.74 70 41 0.73 59 55 - -
V Vanadium 0.5 4.4% - 3.6 2.5 - 2.7 1.7 - -
Cr Chromium 0.5 2.2% - 4.8 2.1 - 2.5 2.0 - -
Mn Manganese 0.1 0.99% - 140 170 - 110 59 - -
Fe Iron 10 8.2% - 1600 840 - 870 540 - -
Co Cobalt 0.1 5.6% - 1.1 0.79 - 0.8 0.68 - -
Ni Nickel 0.5 4.4% - 4.0 3.4 - 3.7 1.7 - -
Cu Copper 0.1 3.6% 0.14 7.4 8.3 0.21 7.4 4.4 0.29 0.12
Zn Zinc 0.5 6.8% 0.66 21 29 0.55 23 12 22 -
Ga Gallium 0.1 8.0% - 0.55 0.37 - 0.36 0.28 - -
As Arsenic 1 17% - 1.5 2.5 - 1.3 - - -
Se Selenium 1 29% - - - - - 1.4 - -
Rb Rubidium 0.1 2.9% - 6.9 0.75 - 3.9 4.1 - -
Sr Strontium 0.1 2.1% 0.17 270 510 0.23 290 150 - -
Y Yttrium 0.1 2.4% - 1.2 0.79 - 0.74 0.63 - -
Zr Zirconium 0.1 11% - 0.7 0.51 - 0.62 0.44 - -
Nb Niobium 0.1 3.1% - 0.22 - - 0.15 0.24 - -
Mo Molybdenum 0.1 4.9% - 9.9 9.4 - 9.2 0.24 - -
Ru Ruthenium 0.1 - - - - - - - - -
Pd Palladium 0.1 - - - - - - - - -
Ag Silver 0.1 1.8% - - - - - - - -
Cd Cadmium 0.05 12% - 0.05 - - - - - -
In Indium 0.05 19% - - - - - - - -
Sn Tin 0.5 4.8% - - - - - - - 0.89
Sb Antimony 0.05 6.0% - 0.06 - - - - - -
Te Tellurium 0.1 30% - - - - - - - -
Cs Cesium 0.1 5.3% - 0.36 0.27 - 0.16 - - -
Ba Barium 0.1 4.8% 0.32 23 31 0.31 19 15 0.45 0.23
La Lanthanum 0.05 2.1% - 1.4 0.63 - 0.82 1.0 - -
Ce Cerium 0.05 3.1% - 3.1 1.4 - 1.7 2.0 - -
Pr Praseodymium 0.05 2.5% - 0.37 0.18 - 0.22 0.27 - -
Nd Neodymium 0.05 2.3% - 1.5 0.79 - 0.91 1.1 - -
Sm Samarium 0.05 11% - 0.31 0.19 - 0.20 0.22 - -
Eu Europium 0.05 10% - 0.07 - - - - - -
Gd Gadolinum 0.05 10% - 0.35 0.21 - 0.22 0.22 - -
Tb Terbium 0.05 3.6% - - - - - - - -
Dy Dysprosium 0.05 3.6% - 0.24 0.16 - 0.16 0.14 - -
Ho Holmium 0.05 5% - - - - - - - -
Er Erbium 0.05 4.9% - 0.12 0.08 - 0.07 0.06 - -
Tm Thulium 0.05 7.3% - - - - - - - -
Yb Ytterbium 0.05 7.1% - 0.09 0.06 - 0.06 - - -
Lu Lutetium 0.05 5.5% - - - - - - - -
Hf Hafnium 0.05 8.7% - - - - - - - -
Ta Tantalum 0.05 16% - - - - - - - -
W Tungsten 0.05 20% - 0.06 - - - - - -
Os Osmium 0.05 - - - - - - - - -
Ir Iridium 0.05 - - - - - - - - -
Pt Platinum 0.05 - - - - - - - - -
Au Gold 0.05 - - - - - - - - -
Hg Mercury 0.5 - - - - - - - - -
Tl Thallium 0.05 11% - - - - - - - -
Pb Lead 0.05 4.1% - 1.2 0.76 - 1.8 1.4 - -
Bi Bismuth 0.05 9.6% - - - - - - - -
Th Thorium 0.05 5.5% - 0.73 0.45 - 1.1 0.3 - -
U Uranium 0.5 - - - - - - - - -

 

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Version 1.0 September 2005, © Danish Environmental Protection Agency