2) Lab Safety. Copy the table outlined below into your lab notebook. Read over t

Question

2) Lab Safety. Copy the table outlined below into your lab notebook. Read over the experimental procedure, then complete the table so that you have a thorough list of key lab safety topics specific to this lab. Parts of the table have beer completed for you. What is the ssociated Hazard? (burn, sharp/cuts, solvent vapor, Exposure to the hazard? 2 summary summary skin irritant, eye irritant, etc.) How will you limit SDS Section SDS Section 8 What is the specific Risk? Use oven mitt to handle hot glassware Heat source (hot plate Glassware Capillary tube Electricity Vacuum filtration Cuts from broken glass Look for frayed power cords; avoid spilling water Glassware implodes under vacuum IR light burns eye Do not look at light source Infra-Red (IR) radiation Benzoic acid chemical waste (look up SDS at Flinn website) Wear gloves and goggles: dispose of waste properly

Explanation / Answer

1. Risk- Heat source

Associated hazard - burn

Limit Exposure - using oven milt to handle hot glassware

SDS Section 2 summary

Symbol - flame

Do not touch with bare hands, extremely hot

SDS SECTION 8 SUMMARY-

Use of heavy cloth gloves/ heat insulating gloves, finned outer surface for fast convective cooling.

2. Risk - Glassware

Associated hazard- Cuts from broken glass

Limit Exposure - use gloves while handling

SDS Section 2 summary-

Handle with care and donot touch with bare hands

Symbol - injured hand

SDS SECTION 8 summary-

PVC gloves, shoes must be worn

Risk - Capillary tube

Hazard - Capillary breakage during centrifugation can lead to worker's exposure to contaminated blood.

Limiting exposure - wearing safety gloves in hands and using goggles for eye protection.

SDS Section 2 summary

Handle with care, breakable and exposure to contaminated blood on breakage.

SDS SECTION 8 summary-

PVC gloves, goggles must be worn

Risk - Electricity

Associated hazard - electric shock even leading to death

Limiting exposure - covering all the wire joints with an insulated tape, use of insulated shoes and gloves while operating electrical equipment.

SDS Section 2 summary -

Danger (220-440 V), do not touch

Symbol - skull and crossbones

SDS SECTION 8 SUMMARY-

Wear insulated gloves and shoes, avoid contact with wet hands.

Risk- Vacuum filtration

Hazard - Vacuum implosion accidents

Limiting exposure - Releasing vacuum before doing anything in flask, use safety goggles, do not strike or drop the vessel under vacuum.

SDS section 2 summary-

Handle with care, When it comes to vacuum, an ounce of protection is better than a pound of cure.

SDS section 8 summary-

Must use safety goggles, nitrile rubber gloves.

Risk - IR radiation

Associated hazard - burns eye

Limit exposure- Not looking at light source

SDS section 2 summary-

Eye irritation and burning

SDS SECTION 8 SUMMARY-

Wear goggles, frequently eye wash

Risk- benzoic acid chemical waste

Hazard - cough, sore throat, burning, itching

Limit exposure - wear gloves and goggles, dispose waste properly.

SDS SECTION 2 SUMMARY-

Toxic, adverse health effects

SDS SECTION 8 summary -

Use respirators/ masks, Immediate treatment in ETP

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