Labconco RapidStill I Manuel utilisateur

RapidStill™I

Models

6500000

Corporation reserves the right to make periodic design changes without obligation to notify any

person or entity of such change.

Returned or Damaged Goods

Do not return goods without the prior authorization from Labconco. Unauthorized returns will not be

accepted. If your shipment was damaged in transit, you must file a claim directly with the freight

carrier. Labconco Corporation and its dealers are not responsible for shipping damages.

The United States Interstate Commerce Commission rules require that claims be filed with the

delivery carrier within fifteen (15) days of delivery.

Limitation of Liability

The disposal and/or emission of substances used in connection with this equipment may be governed

by various federal, state, or local regulations. All users of this equipment are required to become

familiar with any regulations that apply in the user’s area concerning the dumping of waste materials

in or upon water, land, or air and to comply with such regulations. Labconco Corporation is held

harmless with respect to user’s compliance with such regulations.

Contacting Labconco Corporation

If you have questions that are not addressed in this manual, or if you need technical assistance, contact

Labconco’s Customer Service Department or Labconco’s Product Service Department at 1-800-821-

5525 or 1-816-333-8811, between the hours of 7:30 a.m. and 5:30 p.m., Central Standard Time.

Part #6504000, Rev. P

ECO L123

Warranty

Labconco Corporation provides a warranty to the original buyer for the repair or replacement of parts and

reasonable labor as a result of normal and proper use of the equipment with compatible chemicals. Broken

glassware and maintenance items, such as filters, gaskets, light bulbs, finishes and lubrication are not

warranted. Excluded from warranty are products with improper installation, erratic electrical or utility

supply, unauthorized repair and products used with incompatible chemicals.

The warranty for the RapidStill I will expire one year from date of installation or two years from date of

shipment from Labconco, whichever is sooner. Warranty is non-transferable and only applies to the owner

(organization) of record.

Buyer is exclusively responsible for the set-up, installation, verification, decontamination or calibration of

equipment. This limited warranty covers parts and labor, but not transportation and insurance charges. If the

failure is determined to be covered under this warranty, the dealer or Labconco Corporation will authorize

repair or replacement of all defective parts to restore the unit to operation. Repairs may be completed by 3rd

party service agents approved by Labconco Corporation. Labconco Corporation reserves the rights to limit

this warranty based on a service agent’s travel, working hours, the site’s entry restrictions and unobstructed

access to serviceable components of the product.

Under no circumstances shall Labconco Corporation be liable for indirect, consequential, or special damages

of any kind. This warranty is exclusive and in lieu of all other warranties whether oral, or implied.

CHAPTER 1: INTRODUCTION 1

General Description 2

Performance 2

Component Identification 3

CHAPTER 2: INSTALLATION 5

Installation Set-up 5

Assembly 5

Initial Test 8

CHAPTER 3: NORMAL OPERATION 11

Samples Digested Utilizing Micro Digestor 11

Start-Up and Operation 11

Shutdown 13

Calculations 13

CHAPTER 4: ROUTINE MAINTENANCE 14

Glass Still (Replacement) 14

Stopcock 15

CHAPTER 5: REPLACEMENT PARTS 16

CHAPTER 6: WIRING DIAGRAM 17

Product Service 1-800-522-7658

Thank you for displaying confidence in us by selecting a Labconco RapidStill I.

Our design engineers, assemblers and inspectors have utilized their skills and

years of experience to ensure that the Labconco RapidStill I meets our high

standards of quality and performance.

This manual should be read carefully by all the end users in

order to become familiar with the operation of the RapidStill I.

Recommendations are made within the manual to help you

obtain maximum performance and life from your product.

We have included sections on initial set up, operation, and

maintenance to provide you with all the tools necessary to

achieve maximum performance. If you have questions or

concerns, do not hesitate to call us at 1-800-821-5525 for

assistance.

WARNING: The disposal of substances used in connection with

this equipment may be governed by various federal, state or

local regulations. All users of this equipment are urged to

become familiar with any regulations that apply in the user’s

area concerning the dumping of waste materials in or upon

water, land or air and to comply with such regulations.

Chapter 1: Introduction

Product Service 1-800-522-7658

General Description

The Labconco RapidStill I is designed expressly for rapid, semi-automatic steam

distillation from sulfuric acid digest prepared from nitrogen-bearing materials

such as feeds, grains, soils, plant tissue, water effluent, organic waste food

products, etc. Sample digestions are accomplished utilizing either Labconco’s

Digestion Apparatus or Rapid Digestor units.

Performance

Your Labconco RapidStill I has been designed to accept digested samples up to

4 ml (maximum) equivalent of concentrated acid, and is capable of giving

reproducible results in ranges as low as 10 micrograms (gamma) #1% nitrogen.

The RapidStill I may also be utilized for other steam distillations that DO NOT

exceed the volume limitations of the units mixing chamber (approximately 50 to

55 ml).

Chapter 1: Introduction

Product Service 1-800-522-7658

Component Identification

(1) Power Switch Switches power to the Heater. When ideal Heat Control

setting is achieved, use this switch to turn Heater ON and OFF.

(2) Heat Control The electric immersion heater provides fast, efficient heat.

Steam generation starts very rapidly from a cold start. Control input to the

heater and steam output by adjusting this knob.

(3) Fill Valve The Fill Valve is opened only when filling Boiling Flask. Use

distilled water from the Water Bottle to keep water level in the steam

reservoir approximately 2/3 full during distillation.

(4) Aspirator Stopcock The unit has a built-in glass aspirator to purge spent

samples after determination. The water used for cooling of this condenser

is also used for aspirating. A twist of the Aspirator Stopcock draws the

sample and rinse water down the drain.

(5) Sample Addition Funnel Use this funnel to transfer digested sample to

the Mixing Chamber.

(6) Sample Addition Stopcock The upper PTFE stopcock that allows for

the addition of samples or pH controlling solutions.

(7) Mixing Chamber The inner bulb in the lower portion of the still where

the sample is mixed with appropriate solutions during the distillation.

(8) Cooling Water Connections Note the two barbed fittings extending

through the back of the housing. Connect the “IN” fitting to a cold water

source and the “OUT” fitting to a drain.

(9) Condenser Cold water flows through the outer wall of the tall column to

condense steam.

(10) Boiling Flask The round flask reservoir which contains distilled water to

be heated during the distillation.

(11) Flask Shelf Shelf is adjustable in height. Positioning the flask is

important to maintain relationship between the condenser outlet and liquid

level in the Receiving Flask.

(12) Heater Heater is energized when there is sufficient water in the Boiling

Flask. Heater may be unplugged from the housing if required.

(13) Water Bottle Use distilled water only in the still. Water Bottle is

squeezed to introduce water to the Boing Flask via the Fill Valve.

Chapter 1: Introduction

Product Service 1-800-522-7658

Your RapidStill I has been shipped to you in one carton. When unpacking, remove

the packing material carefully, checking all material for two separately packed

parts. The carton will contain:

Base Housing

Glass Still

Heater

Stainless Steel Flask Shelf

“U” Clamp (large) (1)

“U” Clamp (small) (2)

Clamp Nuts (6)

Fill Valve and Tube

Pinch Clamps (2)

Power Cord

NOTE: Plastic tubing and valve for connection of the condenser to water and drain

source is NOT included.

Inspect this material thoroughly prior to installation and report any damage that

may have occurred in transit.

Installation Set Up

Assembly

(1) Lay the Base Housing on its back and position the Glass Still assembly on

the console, as shown. Do not connect to electrical power source until set

up is complete.

Chapter 2: Installation

Product Service 1-800-522-7658

(2) Starting with the large U-clamp, place both the large and small U-clamps

around the glassware and through the brackets. Gently tighten the clamp

nuts so that the glassware is firmly held to the Base Housing.

(3) Carefully attach the condensing water tubing to the glass barb fittings. Do

not add clamps or any lubricant (other than water) to these connections.

Turn Base Housing upright.

(4) Locate the RapidStill I where there is convenient 115 volt outlet and

accessibility to cold tap water and drain.

Chapter 2: Installation

Product Service 1-800-522-7658

(5) Obtain several lengths of flexible plastic or silicone tubing (3/8" ID x 1/16"

wall). Tubing IS NOT furnished with the unit and may be obtained from

laboratory supply dealers. Connect tubing from the rear of the housing to a

drain or sink for effluent. Connect tubing for the inlet from the rear of the

housing to a cold water source (<25oC) with fine flow control through a

valve or faucet. Two pinch clamps have been provided. Check for leaks.

(6) Keep power OFF. Insert the heater element into the Boiling Flask and press

the stopper into the Flask opening firmly. Heater should not be in contact

with any of the glass. NOTE: This must be sealed for distillation. Plug the

Heater into the Base Housing connector.

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