Laboratory Apparatuses

Question 1

Chemicals used in Analysis

Answer 1

AR (Analytic Reagent) ACS (American Chemistry Society) Grades: HPLC (high performance liquid chromatography) and AAS (atomic absorption spectrophotometry)

Question 2

Chemicals used in Manufacturing Industries

Answer 2

Extract, Purify, Prepare. These are the lowest forms of chemicals and are unused in.

Question 3

Chemicals used in Drug Prep

Answer 3

USP - United States Pharmacopia

NF - National Foundry

Question 4

Pure, used in tissue culture. Solvent for std. Also used in ultra-microanalysis. Resistility is 10

Answer 4

Type 1 RGW

Question 5

Used for Clinical analysis. Fitted for quantitative analysis. Resistility is 2

Answer 5

Type 2 RGW

Question 6

Fitted for qualitative analysis and washing glasswares

Answer 6

Type 3 RGW

Question 7

Used to boil. Common brands are pyrex and kymax

Answer 7

Borosilicate

Question 8

CoCo - Container Corex. Used as containers for strong solutions such as alkalines. Strengthened chemically. Common brands are Corex and Vycor. They are also scratch free.

Answer 8

Alumina Silicate

Question 9

Usually color red To prevent degradation of photosensitive chemicals like bilirubin stds. (Also used in carotene, and vitamin A tests)

Answer 9

Low Actinic Glassware

Question 10

Glassware that is laboratory grade

Answer 10

Class A

Question 11

Common washing solution for routine washing.

Answer 11

acid dichromate soln.

Question 12

Common washing solution for virus lab

Answer 12

1:10 dilution of 5% Clorox

Question 13

Common washing solution for bacteriology lab

Answer 13

2-4% Cresol solution

Question 14

This pipet has builbs and only one graduation

Answer 14

Volumetric or Transfer pipet

Question 15

The bulb in this pipet is located near the delivery tip

Answer 15

Ostwald-Folin

Question 16

Does not contain bulbs but has several graduations

Answer 16

Graduated or measuring pipets

Question 17

Has etched rings or frosted brands / tips

Answer 17

TBO (To blow out)

Question 18

Different types of plasticwares (4)

Answer 18

Polyoferin
Teflon
Polycarbonate
Polyvinyl chloride (PVC)

Question 19

This desiccant absorbs moisture without limit

Answer 19

Deligrescent

Question 20

This desiccant absorbs water with limit. Contains Mg2P2O7

Answer 20

Hygrescopic

Question 21

Calibrates weight. Similar weight depression.

Answer 21

Class M

Question 22

Calibrates a balance.

Answer 22

Class S

Question 23

Weight analysis

Answer 23

Class P

Question 24

Primary Std.

Answer 24

Class S

Question 25

Secondary Std.

Answer 25

Class J