Equipment
|
Safety Electric Stove: adjustable, be aware of leakage
|
|
Iron stand with butterfly clips
|
|
Electronic balance (0.01g): Precision instrument
|
|
Analytical balance (0.0001g): Precision instrument
|
|
Computer:
|
|
Printer
|
|
Bottle: 500mL
|
|
Ear Cleaning Ball: 60mL
|
|
Plastic measuring bucket: 1000mL
|
|
Burette: 60mm x 30mm fragile
|
|
Drier: 180cm fragile
|
|
Weighing paper: 75mm*75mm
|
|
One-time dropper: 0-5 mL
|
|
Calculator:
|
|
Timer: Can time, "hours, minutes, seconds"
|
|
Absorbent paper:
|
|
Disposable gloves: Small size
|
|
Weighing white cotton gloves: Small size
|
|
Long-sleeved acid and alkali-resistant rubber gloves: Small size
|
|
Insulating gloves: Small size
|
|
One-time use head cover: Small size
|
|
Disposable protective mask: Small size
|
|
Laboratory coat: Medium size
|
|
Hair care hat: Medium size
|
|
Safety goggles: Medium size
|
|
Micropipette rack: plastic material
|
|
Medicine Spoon: Stainless Steel 180mm
|
|
Iodine bottle: 500mL fragile
|
|
Conical flask: 300mL fragile
|
|
Beaker: 100mL, fragile
|
|
Micropipette: 25mL, 15mL, 10mL fragile
|
|
Drop bottle: 60mL fragile
|
|
Bottle: 1000ml, 500ml fragile
|
|
Flask: 20mL, 10mL fragile
|
|
Titrator: 50mL fragile
|
|
Glass rod: 20 cm fragile
|
|
Thermometer: fragile 0-100℃
|
Chemical substances |
Potassium dichromate standard: stable in properties, oxidizing agent, stored in a dry place
|
|
Sodium carbonate: alkaline, with a certain irritability, avoid contact with eyes and skin, store in a sealed container.
|
|
Sodium thiosulfate standard solution: Reductive, decomposes when exposed to acid, store in a sealed container
|
|
Iodine standard solution: oxidizing, corrosive, volatile, stored in a brown reagent bottle
|
|
Dense hydrochloric acid: Strongly acidic, volatile, use in a fume hood, dilute with acid into water
|
|
Hydrochloric acid solution: It has certain volatility and acidity, be cautious and protect yourself.
|
|
Hydrogen peroxide: Oxidizing, with certain corrosiveness, may produce oxygen during decomposition, keep away from flammable materials.
|
|
Methyl red: low toxicity, used for indicating acid-base titration
|
|
Methyl red-bromocresol green mixed indicator: Used for acid-base titration.
|
|
Starch indicator: Used to indicate the endpoint of the iodine quantity method
|
|
Potassium iodide: White crystals, no special hazards.
|
|
Highly corrosive, strong acid, sulfuric acid. When diluted, add acid to water, be careful to protect yourself.
|
|
Sodium hydroxide: alkaline, corrosive, avoid contact with skin.
|
