写真素材の検索結果

Colourimeter cuvettes with beetroot

Transition element salts in solution

Transition element salts in solution

Transition element salts in solution

Transition element salts in solution

Bromine water test for alkenes

Transition element salts in solution

Transition element salts in solution

Transition element salts in solution

Transition element salts in solution

Test tube of bromine water

Digital colorimeter with cuvettes

Digital colorimeter with cuvettes

Digital colorimeters with cuvettes

Transition element salts

Transition elements and their salts

Transition elements and their salts

Tally counter

Water samples coloured with beetroot

Titrating a reactant from a burette

Transferring a reactant into a flask

Transition element salts in solution

Transition element salts in solution

Transition element salts in solution

Model of cyclohexane molecule

Potentiometer jockey

De-colourised bromine water

Metals

Reading a burette

Reading a burette

Reading a burette

Starch content of leaves

Starch content of leaves

Making a reactant solution

Benzoic acid precipitate

Digital colorimeter

試験管

試験管

Light dispersion experiment

Guitar strings

Guitar strings

Hand lens

Ultrasound detector

試験管

Loudspeaker and microphone

Soil colour chart

Soil colour chart

Soil colour chart

Soil colour chart

Silver nitrate test for chlorides

Silver nitrate test for iodides

Electrostatic attraction

Wave diffraction

Wave interference

Hand pouring a jug of water into container of oil and syrup

Hydrometer

Digital pH meter

実験器具

実験器具

実験器具

Rare Earth elements

Benedict's test for sugars

Methyl orange in acid

Reading a burette of permanganate

Reading a burette of permanganate

Reading a burette of permanganate

pH meter in orange juice

試験管

試験管

Battery and steel wool

Placing jam jar over lit candle in dish containing water

Precipitate of copper (II) chloride in sodium hydroxide

Ink diffused in water

Water

Metal dissection tray

Metal dissection tray

Wooden dissection tray

Wooden dissection tray

Mounted needle

Mounted needle

Mounted seeker needle

Mounted seeker needle

Fine-pointed forceps

Blunt-pointed forceps

Surgical scissors

Surgical scissors

Surgical scalpel

Surgical scalpel and blade

Surgical scalpel blade

Simple light bulb circuit

Simple light bulb circuit

Conductivity of a glass rod

Conductivity of a metal spoon

Variable resistance box

Rheostat

Clinometer

Rheostat

Optics of camera with no lens

Electroscope

Electrometer

Magnetic repulsion

Magnetic attraction

Dipping magnet in iron filings

Liquid patterns

Soil pH meter

Close up of a stationary electric motor

Rotating electric motor

Soxhlet extractor

Soxhlet extractor

Soxhlet extractor

Soxhlet extractor

Soxhlet extractor

Soxhlet extractor

Soxhlet extractor

Soxhlet extractor

Soxhlet extractor

Soxhlet extractor

Soxhlet extractor

Soxhlet extractor

Soxhlet extractor

Soxhlet extractor

Soxhlet extractor

Soxhlet extractor

Soxhlet extractor

Soxhlet extractor

Measuring jug and bulb pipette

pH in sodium bicarbonate solution

pH meter in orange juice

pH in sodium bicarbonate solution

Lithium chloride burns with a bright crimson flame

Sodium chloride burns with a bright yellow flame

Copper (II) sulphate crystals

Distillation equipment

Distillation apparatus

Silver nitrate test for bromides

Container of the chemical element actinium

Straight waves on a ripple tank

メスシリンダー

試験管

試験管

試験管

Iron (III) chloride solution

Ammonia test

Universal indicator

Potassium chromate and silver nitrate

Magnesium burning in air

Salol crystals on a chilled microscope slide

メスシリンダー

実験器具

Bourdon pressure gauge

Bourdon pressure gauge

Bourdon pressure gauge

Bourdon pressure gauge

Liquid patterns, light micrograph

Liquid patterns, light micrograph

Liquid patterns, light micrograph

Liquid patterns, light micrograph

Preparing copper sulphate solution

Calcium reacting with water, initial stage

Calcium reacting with water, later stage

Limestone-acid reaction

Plasticine ball and marbles in tank of water

Small clear glass filled with water up to a green line

Copper sulphate solution

Immiscible liquids

Soil settling out of water

Immiscible liquids

Methyl orange in alkali

Methyl orange in alkali

Anatomical teaching model

Anatomical teaching model

Chlorobutane, model

1-chloro-2-methylpropane, molecular model

Cyclohexane molecule chair conformation

Mercury pouring from a beaker

Mercury pouring from a beaker

Mercury pouring from a beaker

Mercury pouring from a beaker

Mercury pouring from a beaker

Mercury pouring from a measuring cylinder

Mercury pouring from a measuring cylinder

Mercury pouring from a measuring cylinder

Mercury pouring from a measuring cylinder

Mercury pouring from a measuring cylinder

Mercury pouring from a measuring cylinder

Drops of mercury

Drops of mercury

Benzene molecule model

Model of benzene molecule

Light microscope

Young scientists working in laboratory

Young scientists working in laboratory

Young scientists working in laboratory

Silver mirror test

Methanol, molecular model

Propanol, molecular model

Isopropyl alcohol, molecular model

Glass chemical equipment in a chemistry lab

Brass analysis

Silver iodide precipitation