Case inserts: what’s inside
Educational kit: Preparation of standard solutions
Set “Preparation of standard solutions”: 30 items for 6 experiments on quantitative analysis - solutions, titration, thermal effects.
Set for mastering key skills in quantitative chemical analysis: 30 equipment items, 6 experiments. Students prepare standard solutions, construct acid-base titration curves, determine sodium bicarbonate in a mixture with sodium chloride by titration, determine the volume of one mole of hydrogen at a given temperature, and check for the presence of water of crystallization. The practical course develops an understanding of precise measurements, calculations using formulas and error assessment. The kit includes conical flasks with ground-glass joints, laboratory beakers, an experimental “buffer vessel” apparatus, indicator paper and an adjustable stand with a bubble level.
- 1.Conical flask (Erlenmeyer), glass, volume 100 ml, neck with ground joint - 2 pcs.
- 2.Rod, glass, diameter 6 mm, length 195–200 mm - 1 pc.
- 3.Tube, glass, diameter 8 mm, length 200 mm - 2 pcs.
- 4.Experimental device “buffer vessel” (heat accumulator), thermos made of foam plastic, glass cylinder, plexiglass lid - 1 pc.
- 5.Stopper, glass, purpose for flasks A and B - 2 pcs.
- 6.Laboratory beaker, glass, volume 100 ml - 1 pc.
- 7.Laboratory beaker, glass, volume 250 ml - 1 pc.
- 8.Fabric swatch, dimensions 25×50 cm - 1 pc.
- 9.Solid stopper, glass, intended for Erlenmeyer flask - 2 pcs.
- 10.Syringe needle, caliber 20G - 1 pc.
- 11.Stopper, glass, ground-glass joint 24/29 - 1 pc.
- 12.Indicator paper for determining pH, pack size: 80 pcs. - 1 pc.
- 13.Stopper, rubber, diameter 28 mm - 2 pcs.
- 14.Stopper, glass, intended for 100 and 250 ml flasks - 2 pcs.
- 15.Stopper, silicone, dimensions 15/20/29 mm, version with one hole - 1 pc.
- 16.Stopper, silicone, dimensions 15/20/29 mm, solid version - 2 pcs.
- 17.Sandpaper, grit 280 - 1 pc.
- 18.Stand, plane position adjustment with four screws, bubble level - 1 pc.
- 19.Brush for flasks, intended for 100 ml flasks - 1 pc.
- 20.Brush for flasks, intended for 250 ml flasks - 1 pc.
- 21.Tube, latex, outer diameter 9 mm, inner diameter 6 mm, length 1 m - 1 pc.
- 22.Volumetric flask, glass, volume 250 ml, joint 14/23 - 1 pc.
- 23.Crucible, porcelain, volume 30 ml - 1 pc.
- 24.Flat-bottomed Wurtz flask with outlet (flask C), glass, volume 130 ml, neck with ground joint - 1 pc.
- 25.Syringe, volume 50 ml - 1 pc.
- 26.Two-necked Bunsen flask (flask A), glass, volume 100 ml, neck with a ground joint - 1 pc.
- 27.Glass ring stirrer for heat-of-neutralisation experiments - 1 pc.
- 28.Volumetric flask, glass, volume 100 ml, joint 14/23 - 1 pc.
- 29.Drechsel two-necked gas-washing bottle (flask B), glass, volume 200 ml, neck with ground joint - 1 pc.
- 30.Hollow stopper, glass, intended for Drechsel gas-washing bottle - 1 pc.
- 1. Electronic scales
- 2. Electronic thermometer
- 3. Determination of the volume of 1 mole of hydrogen at a given temperature
- 4. Construction of titration curves for acid-base neutralization
- 5. Titrimetric determination of sodium bicarbonate containing a small amount of sodium chloride
- 6. Determination of the presence of water of crystallization
Other sets in the section "Chemistry»
CH2.033
Educational kit: Chemistry tools and equipment, type 2
An expanded set of tools and equipment for chemistry: 94 items in three cases for basic and advanced laboratory work.
CH2.032
Educational kit: Organic compounds
Organic Compounds Set: 40 items for 14 organic chemistry activities - from alkanes and alcohols to carbohydrates and spectacular demonstrations.
CH2.031
Educational kit: Structure and properties of substances
Set “Structure and properties of substances”: 17 items with a large model of molecules and electron clouds, 6 experiments on the relationship between structure and properties.
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