Sodium metasilicate,

D.E.R.™ 332,used as embedding medium

Dextrin from potato starch,for biotechnological purposes

Sodium salicylate,puriss. p.a., reag. Ph. Eur., 99.5-101.0% (calc. to the dried substance)

Silicon dioxide,washed and calcined, analytical reagent

Lead(II) acetate trihydrate,puriss. p.a., ACS reagent, reag. ISO, reag. Ph. Eur., 99.5-102.0%

Paraffin wax,mp 58-62 °C (ASTM D 87)

L-Ascorbic acid,puriss. p.a., ACS reagent, reag. ISO, Ph. Eur., 99.7-100.5% (oxidimetric)

Citric acid monohydrate,puriss. p.a., ACS reagent, reag. ISO, reag. Ph. Eur., buffer substance, 99.5-102%

Choline hydroxide solution, 45 wt. % in methanol

Poly(vinyl alcohol),average Mw 13,000-23,000, 98% hydrolyzed

Sodium hydrogencitrate sesquihydrate,ReagentPlus, 99%