Product details

Test tube rack for 12 tubes, holes d= 22 mm, wood

Test tube rack for 12 tubes, holes d= 22 mm, wood

Item no.: 37686-10

  • Description
  • Related Experiments

Function and Application

Test tube rack

Equipment and technical data:

  • for 12 test tubes with a diameter of max. 22 mm.
  • Includes 6 draining rods.
  • Dimensions: 21 x 8 x 13 cm
Experiment Item no.
Student set Organic chemistry, TESS advanced Chemistry 15304-88
Student set Chemistry of polymers, TESS advanced Chemistry 15305-88
Student set Food chemistry, TESS advanced Chemistry 15306-88
Electrolysis of water P1028200
The law of conservation of mass in chemical reactions P1134300
Reaction of magnesium and calcium with water - hydroxideformation P1138000
Binding of nitrogen by base metals P1140500
Temperature behaviour of organic compounds P1149800
Detection of quinine in tonic water P1259800
Sublimation and solubility of iodine P3031900
Toluene: Bromination in the nucleus P3101300
Preparation of iron from oxidic ores (blast furnace process) P3110500
Redox reactions between metals and metal oxides (thermite process) P3110600
Cracking of hydrocarbons P3110800
Chromatographic separation processes: thin layer chromatography (TLC) P3120400
Microbial decomposition of mineral oil P4100900
Fundamental microbiological working methods P4140100
Evidence of the spread of bacteria P4140200
Evidence of the effect of antibiotics, chemotherapeutics and disinfectants P4140500
Plant pigments as indicators P7157200
The effects of acids on indicators P7157300
The effects of acids and lyes on natural and commercial P7157400
The effects of acids on metals P7157500
Acid strength P7157600
Preparation and properties of hydrochloric acid P7157700
Preparation and properties of sulphurous acid P7157800
PVC- a potential hydrochloric acid former P7157900
Sulphurous acid- environmental hazards due to the combustionof fossil fuels, acid rain P7158000
Oxidation of sulphurous acid P7158100
Preparation and properties of sulphuric acid P7158200
Brönsted acids: acidity comparison of an aqueous and an ace-tonic solution of citric acid P7158500
Alkalis - constituents of hous ehold detergents P7158700
Preparation and properties of a lime water/magnesium hydro-xide solution P7158900
Preparation and properties of sodium hydroxide solution P7159000
Salt formation due to a reaction of acids with metal oxides P7159500
Salt formation from chemical elementsreaction of zinc and iron with sulphur and iodine P7159600
Salt formation by precipitation reaction - qualitative determination of chlorids and sulphates P7159700
Hydrolysis of salts P7159800
Thermal decomposition of salts P7159900
The decomposition of organic substances P7170000
The detection of carbon by oxidation P7170200
The detection of oxygen P7170300
The detection of nitrogen P7170400
The detection of sulphur P7170500
The characterisation of methane P7170700
The homologous series of the alkanes P7170800
The reactivity of the alkanes P7170900
The characterisation of ethylene P7171000
The characterisation of ethine (acetylene) P7171100
Removal of paraffins by extraction P7171400
Removal of paraffins by urea P7171500
The idoform test P7172000
The properties of homologous series of alcohols P7172100
Polyhydric alcohols P7172200
Schiff's test and Fehling's test P7172400
The use of formic acid P7172600
The characterisation of acetic acid "wood vinegar" P7172700
The acidic character of carboxcyclic (alkane) acids P7172800
Iron cloride test / Formation of verdigris P7172900
Esters of acetic acid P7173000
Esters of various alkane acids P7173100
Production of soap P7173300
The properties of soap P7173400
Constituents of polymers (1): The thermal decomposition/oxidtion of polymers P7180000
Constituents of polymers (2): The detection of polymer constitents/the Beilstein test P7180100
The decomposition of naturally occuring polymers: The decompsition of starch P7180200
Properties of plastics (2): Determination of the densities ofplastic P7180500
Properties of plastics (5): Determination of the melting ran P7180800
Re-cycling procedures (1): Re-melting P7182400
The structure and composition of proteins P7185000
The coagulation of egg white changes its composition P7185100
The solubility of fats P7185300
Production of soap P7185500
The composition of fats P7185600
The water content of fatty products P7185700
Detection of fats with dyes P7185900
Fresh and spent deep-fry fat P7186100
Detection of methanol P7186200
Tanning matter in tea P7186300
Active agents in pepper P7186500
The term carbohydrate P7186600
The solubility of carbohydrates P7186700
The detection of glucose with Fehling's solution P7186800
Reducing properties of glucose P7186900
Fructose P7187000
Lactose P7187100
Detection of starch P7187200
Composition of starch P7187400
Wheat gluten P7187500
Pectins P7187600
Cleavage of starch during digestion P7187700
Detection of vitamin C P7187800
Carbon dioxide P7188100
Ammonia in liquorice P7188200
Phosphate in meat products P7188300
Detection of nitrite in meat products P7188400
Enzymatic browning P7188500
Emulsifying agents P7188700
Enzymatic cleavage of proteins P7188800
Catalases P7188900
Equipment 69815-65
Student set Acids, Bases, Salts, TESS advanced Chemistry 15302-88
Determination of the microbial count P4140400
Module beginner support material M841

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