Nippon AQUA Manual de usuario

AQUA kit for MA-3 Solo

INSTRUCTION MANUAL

NIC-TD-0000187-01

NIPPON INSTRUMENTS CORPORATION

Instruction Manual：  AQUA kit for MA-3 Solo NIC-TD-0000187-01 
 
 
 Nippon Instruments Corporation 
CONTENTS 
 
1. OUTLINE ..........................................................................................................................1
 SAFETY PRECAUTIONS .........................................................................................1
1.1.1 MEANINGS AND EXPLANATIONS OF SYMBOLS ........................................ 1
1.1.2 CAUTIONS CONCERNING INSTALLATION ...................................................1
1.1.3 CAUTIONS CONCERNING HANDLING ..........................................................1
2. OUTLINE OF INSTRUMENT........................................................................................2
 SIMPLIFIED EXPLANATION ..................................................................................2
 SAMPLING FLOW ....................................................................................................2
 CONSTITUTION .......................................................................................................3
3. INSTALLATION ..............................................................................................................5
4. OPERATION.....................................................................................................................6
 NECESSITIES FOR MEASUREMENT....................................................................6
 ARTICLE RECOMMENDED FOR MEASUREMENT............................................6
 PREPARATIONS OF REAGENTS............................................................................6
 BLANK PROCESS OF MERCURY COLLECTOR TUBE.......................................7
 OPERATIONAL PROCEDURE.................................................................................7
 CLEANING OF GLASSWARE ............................................................................... 10 
5. MAINTENANCE............................................................................................................ 11 
 DAILY INSPECTION............................................................................................... 11 
 RECOMMENDED REPLACEMENT COMPONENTS.......................................... 11 
 ERRORS AND WARNINGS.................................................................................... 11 
 LEAK CHECK..........................................................................................................12 
6. SPECIFICATION ...........................................................................................................13 
7. CONTACT ADDRESS ...................................................................................................14 

Instruction Manual： AQUA kit for MA-3 Solo NIC-TD-0000187-01

Nippon Instruments Corporation 1

1. OUTLINE

SAFETY PRECAUTIONS

The AQUA kit for MA-3 Solo is an option unit for the MA-3 Solo.

Before using this unit, read the instruction manual of the MA-3 Solo carefully.

To use this product safely, observe the following precautions.

Nippon Instruments Corporation will not take any responsibility for accidents caused

by a user’s carelessness.

In the case of mishandling, a user may be killed or suffer a serious

injury immediately.

In the case of mishandling, a user may be killed or suffer a serious

injury.

In the case of mishandling, a user may suffer an injury or material

damage is expected.

Install the instrument on a horizontal place with sufficient

strength.

Otherwise, an injury or an instrument failure caused by an

overturn or a fall may result.

Before using a reagent, procure and administer the safety data

sheet (SDS).

When using a reagent, wear protective equipment and carry out

ventilation sufficiently. Reagents to be used for the instrument

include acute toxic and corrosive substances.

Pay special attention when handling the glass parts. There is a

risk of injury.

Dispose of effluent appropriately after using the instrument.

When handling a mercury collector tube for a measurement or

the like, take care not to get burned.

When handling, put on protectors such as heat-resistant gloves,

and use boat tongs.

Danger

Warning

Caution

Warning

Caution

Instruction Manual： AQUA kit for MA-3 Solo NIC-TD-0000187-01

Nippon Instruments Corporation 2

2. OUTLINE OF INSTRUMENT

SIMPLIFIED EXPLANATION

This unit is the option for MA-3 Solo for the measurement of extremely low concentration

liquid samples like environmental water. The mercury contained in the liquid samples is

reduced and vaporized, and then collected to the mercury collector tube. The amount of

mercury is determined by MA-3 Solo.

SAMPLING FLOW

When sulfuric acid is added to sample and then stannous chloride solution is added, bivalent

mercury ions (Hg2+) are reduced to zerovalent metal mercury and changed to mercury gas

by bubbling. The collection concentration is carried out selectively for the mercury gas as

gold amalgam.

Hg2+＋SnCl2 → Hg0↑

*Acid mist and steam generated by bubbling are removed using a KOH solution and a mist

catcher because they obstruct a measurement.

* Although sample with small quantities of interfering substances, such as raw water for tap

water, can be measured only by adding sulfuric acid, it is impossible to obtain a precise and

accurate measurement result for sample containing interfering components.

Exhaust Port

Sample

Reagent (sulfuric acid,

stannous chloride solution)

KOH solution

Mist catcher

Mercury

Collector Tube

Instruction Manual： AQUA kit for MA-3 Solo NIC-TD-0000187-01

Nippon Instruments Corporation 3

CONSTITUTION

No.

Name

Qty

Description

Impinger outside cylinder

Impinger inside cylinder

Reagent container

Impinger stand

Cleaning bottle

Joint Clamp

Mist catcher

Syringe

L-Cysteine (1 g)

Tygon Tube

φ6 Including spare

Mercury Collector Tube connection piping

Including one mist catcher

PTFE Tube

0.3m

φ4×6 Including spare

Instruction Manual： AQUA kit for MA-3 Solo NIC-TD-0000187-01

Nippon Instruments Corporation 4

No.

Name

Qty

Description

Mercury Collector Tube

65L

Collector Tube Holder

No.

Name

Qty

Description

Carrying Case

Instruction Manual： AQUA kit for MA-3 Solo NIC-TD-0000187-01

Nippon Instruments Corporation 5

3. INSTALLATION

Install the instrument on a horizontal place with sufficient

strength.

Otherwise, an injury or an instrument failure caused by an

overturn or a fall may result.

Connect the tubing as follows.

*During the installation, do not close the inside cylinder of the 1st impinger.

Caution

PTFE Tube (approx. 5cm)

Tygon Tube (approx. 80cm)

OUTLET – 1st Impinger IN

Tygon Tube (approx. 25cm)

1st Impinger OUT – 2nd Impinger IN

Mercury collector tube

connecting tube

Instruction Manual： AQUA kit for MA-3 Solo NIC-TD-0000187-01

Nippon Instruments Corporation 6

4. OPERATION

Before using a reagent, procure and administer the safety data

sheet (SDS).

When using a reagent, wear protective equipment and carry out

ventilation sufficiently. Reagents to be used for the instrument

include acute toxic and corrosive substances.

Pay special attention when handling the glass parts. There is a

risk of injury.

Dispose of effluent appropriately after using the instrument.

NECESSITIES FOR MEASUREMENT

(1) Distilled Water (used to clean impinger after measurement)

(2) Effluent Tank (used to keep effluent after measurement)

(3) Reagents

10% Stannous Chloride Solution

1:1 Sulfuric Acid

KOH (Potassium Hydroxide)

(4) Standard Mercury Liquid

ARTICLE RECOMMENDED FOR MEASUREMENT

(1) Apparatus for Dispensing Solution, Such As Micropipette

PREPARATIONS OF REAGENTS

*Use reagents that contain little mercury, such as ones for mercury analyses, for precise

analyses or for toxic metal measurements.

Sulfuric Acid (1:1)

Preparation

Procedure

Pour distilled water into a beaker and add the same volume of sulfuric

acid slowly while cooling and stirring the solution.

*To prevent an accident caused by heating at the time of dilution,

we recommend that the following reagent be used:

Recommended

Reagent

64% sulfuric acid 500 mL [198-11565] manufactured by Wako Pure

Chemical Industries

Warning

Caution

Instruction Manual： AQUA kit for MA-3 Solo NIC-TD-0000187-01

Nippon Instruments Corporation 7

10% Stannous Chloride Solution

Preparation

Procedure

*To prevent deterioration caused by a lapse of time, we recommend

that the following reagent be used:

Recommended

Reagent

Stannous chloride for mercury analysis [36522-08] manufactured by

Kanto Chemical

1 mol/L KOH Solution (Potassium Hydroxide Solution)

Preparation

Procedure

Melt 11.2 g of potassium hydroxide using pure water to make the whole

volume 200 mL.

BLANK PROCESS OF MERCURY COLLECTOR TUBE

Before the sampling, make sure to reduce the amount of blank of mercury collector tube.

(For the detail, refer to the instruction manual of MA-3 Solo)

OPERATIONAL PROCEDURE

During the installation, do not close the inside cylinder of the

1st impinger.

Do not insert/remove the mercury collector tube during the

measurement. It can affect the measurement result.

When handling a mercury collector tube for a measurement or

the like, take care not to get burned.

When handling, put on protectors such as heat-resistant gloves,

and use boat tongs.

The sampling method is the same for calibration curve measurement and unknown sample

measurement.

(1) Turn on MA-3 Solo and PC. Start “MA3SoloWin”.

(2) Perform the Self Check.

(3) Drip 20mL of 1mol/L KOH solution to the 2nd Impinger. Fix with the Joint Clamp.

Caution

Instruction Manual： AQUA kit for MA-3 Solo NIC-TD-0000187-01

Nippon Instruments Corporation 8

(4) Attach the mercury collector tube to the mercury collector tube connecting tube.

(5) Drip “20 mL of distilled water and standard mercury liquid” or “20mL of unknown

sample” into the impinger.

(6) Add 1 mL of 1:1 sulfuric acid and 1 mL of 10% stannous chloride solution.

(7) Select “COLLECTOR TUBE / AQUA kit” as the measurement method. Click “START”

button.

(8) Close the inside cylinder of the impinger.

*Check if it is bubbling.

If not, there is a leakage. Open the impinger inside cylinder, stop the sampling, and

fix the leakage. (Refer to 5.4 LEAK CHECK)

(9) When the measurement is completed, remove the inside cylinder of the impinger or

remove Mercury Collector Tube.

(10) Attach the mercury collector tube to the holder. Measure it with MA-3 Solo.

(For the detail, refer to the instruction manual of MA-3 Solo)

METHOD: COLLECTOR TUBE

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