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Laboratory Chemicals, Supplies and Equipment

Laboratory Chemicals, Supplies and Equipment
67問 • 1年前
  • ユーザ名非公開
    • 通報

    問題一覧

  • 1

    It established by Americal Chemical Society

    Analytical Reagent

  • 2

    It states on the label of reagent the actual impurities or maximum allowable impurities

    Analytical Reagent

  • 3

    It use for trace metals and preparation of standard solution

    Analytical Reagent

  • 4

    Additional purification steps

    Ultrapure Chemicals

  • 5

    Based only on the criterion of not being injuries to different individuals

    USP and NFF

  • 6

    It approved by human consumption

    USP and NFF

  • 7

    TRUE OR FALSE Purity standard of USP and NFF are based on the needs of laboratory

    FALSE

  • 8

    It used primarily in manufacturing and never be used in the Clinical Laboratory

    Technical or Commercial Reagent

  • 9

    Reagents with some impurities

    Practical grade

  • 10

    approaches purity level of reagent grade chemicals

    Chemically pure

  • 11

    have purity level but attained by their respective procedures and the minimum purity level of this is 99% and determined by Gas chromatography

    Chromatographic

  • 12

    Contains impurity level below certain levels established by ACS

    Reagent Grade

  • 13

    Highly purified chemicals can be measured directly to produce substance of exact known concentrations and purity

    Primary standard

  • 14

    ASC tolerance for primary standard

    100 +/- 0.02%

  • 15

    chemicals and substance of lower purity determined by comparison with Primary standard

    Secondary Standard

  • 16

    Frequently used reagent in the laboratory

    Water

  • 17

    it results in distilled water

    Distillation

  • 18

    Water purified by ion exchange produces_______

    deionized water

  • 19

    Two Ion Exchange methods:

    Softening, Deionization

  • 20

    pumps water acress the a semipermeable membrane

    Reverse Osmosis

  • 21

    According to ________ the categories of water is based on the specifications needed for its use rather than their method.

    CLSI

  • 22

    What is the main characteristic of Type I water?

    Requires minimum interference for precise analyses

  • 23

    Which of the following best describes the use of Type II water?

    Suitable for qualitative chemistry procedures and clinical tests

  • 24

    Which of the following is an example of a procedure requiring Type I water?

    Preparation of standard solutions

  • 25

    What makes Type II water different from Type I?

    It is acceptable for most analytical requirements but not for ultra-microchemical analysis

  • 26

    Which laboratory tests are Type II water typically used for?

    Hematology, immunology, and microbiology

  • 27

    Which type of water should NOT be used for reagent preparation?

    Type III

  • 28

    What is Type III water primarily used for?

    Urinalysis and glassware washing

  • 29

    High silica glass is made of ____ % of silica

    96%

  • 30

    Also known as Borosilicate

    High Thermal Resistant Glass

  • 31

    Most common type of glassware in volume measurement

    High thermal resistant glass

  • 32

    Resistant to Heat, corrosion or thermal shock

    High Thermal resistant glass

  • 33

    What type of glassware is associated with the brand ff. Kimax Pyrex

    High thermal resistant glass

  • 34

    High silica glass can used in the temperature of

    900-1200 degree celcius

  • 35

    Has good optical qualities, Temperature capabilities and radiation resistant

    High silica glass

  • 36

    used for high precision analytical work and for optical refractors and mirrors.

    High silica glass

  • 37

    Partially used for strong alkali solution

    High Alkali Resistant Glass

  • 38

    referred as “Soft glass”

    High Alkali Resistant Glass

  • 39

    Has naterials that usually impart red color to the glass. reduce the amount of light passing through inside the glassware

    Low actinic glass

  • 40

    Low actinic glass provides protection to reagent which are highly sensitive to light ranging from

    3000 to 5000 Angstrom

  • 41

    Which glasssware is used for substances that sensitive to light such as bilirubin and vitamin A

    Low actinic glass

  • 42

    Used to manufacture weighing bottles because it develops less static surface changes

    Standard flint and Soda-lime Glass

  • 43

    Compose a mixture of oxides of silicon, calcium and sodium

    Standard flint or soda-lime glass

  • 44

    Which special glasswa used in n light filters, lamp bulbs and lighting lenses?

    Colored ans Opal glasses

  • 45

    This glassware have thin metalic oxide permanently fine-bonded to the surface of the glass

    Coated glassware

  • 46

    Special glass which have electronic applications as heat shield to protect against infered light

    Coated Glassware

  • 47

    It special glass, mostly soda-lime, lead, borosilicate of high optical purity.

    Optical Glasses

  • 48

    it used for making prism or lenses and even optical mirrors.

    Optical Glasses

  • 49

    Which special glass have high thermal resistance, chemical stability and corrosion resistance?

    Glass Ceramics (Pyroceram)

  • 50

    it useful in preventing transmission of huge energy such as Gamma rays and X-rays

    Radiation-Absorbing-Glasses

  • 51

    Used for making hot plates and other table tops

    Glass Ceramics (Pyroceram)

  • 52

    its a unique group of resins with relatively inert properties, means they are not reactive

    Polyolefins

  • 53

    Uneffected by acids, alkali, salts solution, and aqueous solution

    Polyolefins

  • 54

    Polyolefins can be autoclaved?

    True

  • 55

    Which type of polyolefins more vulnerable to attack by oxidizing agent?

    Polypropylene

  • 56

    Types of polyolefins can withstand the high temperature

    Polypropylene

  • 57

    Type of polylefins used primarily to fabricate bottles, beakers, jars, funnel, pippetes connectors and tubings

    Polyethylene

  • 58

    Twice as strong as polycarbonate and used at temperature ranging 100*C to 160*C

    Polycarbonate Resin

  • 59

    Used extensively in centrifuge tubes and graduated cylinders

    Polycarbonate resin

  • 60

    Used to handle most chemicals but should not be subjected to prolonged immersion in aliphatic and aromatic hydrocarbons, ketones and esters.

    Tygon

  • 61

    Used for manufacturing tubings

    Tygon

  • 62

    Which Thermometer Use a colored liquid or mercury

    Liquid-in-glass thermometer

  • 63

    With a bulb and a graduated stem

    Liquid-in-glass

  • 64

    Usually put or placed in heating blocks and water bath

    Partial immersion thermometers

  • 65

    for refrigeration applications

    Total immersion thermometers

  • 66

    for flat surfaces such as incubator or heating oven

    Surface thermometers

  • 67

    An accurate, fast-reading, electronic thermometer

    Thermistor

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    問題一覧

  • 1

    It established by Americal Chemical Society

    Analytical Reagent

  • 2

    It states on the label of reagent the actual impurities or maximum allowable impurities

    Analytical Reagent

  • 3

    It use for trace metals and preparation of standard solution

    Analytical Reagent

  • 4

    Additional purification steps

    Ultrapure Chemicals

  • 5

    Based only on the criterion of not being injuries to different individuals

    USP and NFF

  • 6

    It approved by human consumption

    USP and NFF

  • 7

    TRUE OR FALSE Purity standard of USP and NFF are based on the needs of laboratory

    FALSE

  • 8

    It used primarily in manufacturing and never be used in the Clinical Laboratory

    Technical or Commercial Reagent

  • 9

    Reagents with some impurities

    Practical grade

  • 10

    approaches purity level of reagent grade chemicals

    Chemically pure

  • 11

    have purity level but attained by their respective procedures and the minimum purity level of this is 99% and determined by Gas chromatography

    Chromatographic

  • 12

    Contains impurity level below certain levels established by ACS

    Reagent Grade

  • 13

    Highly purified chemicals can be measured directly to produce substance of exact known concentrations and purity

    Primary standard

  • 14

    ASC tolerance for primary standard

    100 +/- 0.02%

  • 15

    chemicals and substance of lower purity determined by comparison with Primary standard

    Secondary Standard

  • 16

    Frequently used reagent in the laboratory

    Water

  • 17

    it results in distilled water

    Distillation

  • 18

    Water purified by ion exchange produces_______

    deionized water

  • 19

    Two Ion Exchange methods:

    Softening, Deionization

  • 20

    pumps water acress the a semipermeable membrane

    Reverse Osmosis

  • 21

    According to ________ the categories of water is based on the specifications needed for its use rather than their method.

    CLSI

  • 22

    What is the main characteristic of Type I water?

    Requires minimum interference for precise analyses

  • 23

    Which of the following best describes the use of Type II water?

    Suitable for qualitative chemistry procedures and clinical tests

  • 24

    Which of the following is an example of a procedure requiring Type I water?

    Preparation of standard solutions

  • 25

    What makes Type II water different from Type I?

    It is acceptable for most analytical requirements but not for ultra-microchemical analysis

  • 26

    Which laboratory tests are Type II water typically used for?

    Hematology, immunology, and microbiology

  • 27

    Which type of water should NOT be used for reagent preparation?

    Type III

  • 28

    What is Type III water primarily used for?

    Urinalysis and glassware washing

  • 29

    High silica glass is made of ____ % of silica

    96%

  • 30

    Also known as Borosilicate

    High Thermal Resistant Glass

  • 31

    Most common type of glassware in volume measurement

    High thermal resistant glass

  • 32

    Resistant to Heat, corrosion or thermal shock

    High Thermal resistant glass

  • 33

    What type of glassware is associated with the brand ff. Kimax Pyrex

    High thermal resistant glass

  • 34

    High silica glass can used in the temperature of

    900-1200 degree celcius

  • 35

    Has good optical qualities, Temperature capabilities and radiation resistant

    High silica glass

  • 36

    used for high precision analytical work and for optical refractors and mirrors.

    High silica glass

  • 37

    Partially used for strong alkali solution

    High Alkali Resistant Glass

  • 38

    referred as “Soft glass”

    High Alkali Resistant Glass

  • 39

    Has naterials that usually impart red color to the glass. reduce the amount of light passing through inside the glassware

    Low actinic glass

  • 40

    Low actinic glass provides protection to reagent which are highly sensitive to light ranging from

    3000 to 5000 Angstrom

  • 41

    Which glasssware is used for substances that sensitive to light such as bilirubin and vitamin A

    Low actinic glass

  • 42

    Used to manufacture weighing bottles because it develops less static surface changes

    Standard flint and Soda-lime Glass

  • 43

    Compose a mixture of oxides of silicon, calcium and sodium

    Standard flint or soda-lime glass

  • 44

    Which special glasswa used in n light filters, lamp bulbs and lighting lenses?

    Colored ans Opal glasses

  • 45

    This glassware have thin metalic oxide permanently fine-bonded to the surface of the glass

    Coated glassware

  • 46

    Special glass which have electronic applications as heat shield to protect against infered light

    Coated Glassware

  • 47

    It special glass, mostly soda-lime, lead, borosilicate of high optical purity.

    Optical Glasses

  • 48

    it used for making prism or lenses and even optical mirrors.

    Optical Glasses

  • 49

    Which special glass have high thermal resistance, chemical stability and corrosion resistance?

    Glass Ceramics (Pyroceram)

  • 50

    it useful in preventing transmission of huge energy such as Gamma rays and X-rays

    Radiation-Absorbing-Glasses

  • 51

    Used for making hot plates and other table tops

    Glass Ceramics (Pyroceram)

  • 52

    its a unique group of resins with relatively inert properties, means they are not reactive

    Polyolefins

  • 53

    Uneffected by acids, alkali, salts solution, and aqueous solution

    Polyolefins

  • 54

    Polyolefins can be autoclaved?

    True

  • 55

    Which type of polyolefins more vulnerable to attack by oxidizing agent?

    Polypropylene

  • 56

    Types of polyolefins can withstand the high temperature

    Polypropylene

  • 57

    Type of polylefins used primarily to fabricate bottles, beakers, jars, funnel, pippetes connectors and tubings

    Polyethylene

  • 58

    Twice as strong as polycarbonate and used at temperature ranging 100*C to 160*C

    Polycarbonate Resin

  • 59

    Used extensively in centrifuge tubes and graduated cylinders

    Polycarbonate resin

  • 60

    Used to handle most chemicals but should not be subjected to prolonged immersion in aliphatic and aromatic hydrocarbons, ketones and esters.

    Tygon

  • 61

    Used for manufacturing tubings

    Tygon

  • 62

    Which Thermometer Use a colored liquid or mercury

    Liquid-in-glass thermometer

  • 63

    With a bulb and a graduated stem

    Liquid-in-glass

  • 64

    Usually put or placed in heating blocks and water bath

    Partial immersion thermometers

  • 65

    for refrigeration applications

    Total immersion thermometers

  • 66

    for flat surfaces such as incubator or heating oven

    Surface thermometers

  • 67

    An accurate, fast-reading, electronic thermometer

    Thermistor