Laboratory ware made from fused quartz and fused silica; boiling flasks made from fused quartz; round bottom flasks, flat bottom flasks and conical flasks— 4 стр.
German standard methods for the examination of water, waste water and sludge - General measures of effects and substances (group H) - Part 22: Determination of dissolved adsorbable and organically bound halogens in salt loaded water (SPE-AOX) (H 22)— 22 стр.
German standard methods for the determination of water, waste water and sludge - Jointly determinable substances (group F) - Part 25: Determination of dalapon, trichloroaceticacid and selected haloacetic acids by gas chromatography (GC-ECD and/or GC-MS detection) after liquid-liquid-extraction and derivatisation (F 25)— 30 стр.
