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Hach Digesdahl 23130-20, Instrument Manual

The Hach Digesdahl 23130-20 Instrument Manual provides detailed instructions for using this product efficiently. Download the manual for free at manualshive.com to learn how to properly operate and maintain your equipment. This comprehensive guide is essential for maximizing the performance of your Hach Digesdahl 23130-20.

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Summary of Contents for Digesdahl 23130-20

Page 1: ...400 688 9809 www mamots com 0431 85178766...

Page 2: ...sdahl Digestion Apparatus Models 23130 20 21 Instrument Manual Hach Company 1989 91 1995 97 1999 All rights reserved Printed in the U S A hm ct 2 97 8 ed aa dk Rev 2 9 99 400 688 9809 www mamots com 0...

Page 3: ...ol Just Add Water LeadTrak m ColiBlue24 ManVer MolyVer Mug O Meter NetSketcher NitraVer NitriVer NTrak OASIS On Site Analysis Results You Can TrustSM OptiQuant OriFlow OxyVer PathoScreen PbEx PermaChe...

Page 4: ...Hach Company Standards include EN 61000 4 2 1995 IEC 801 2 Electro Static Discharge EN 61000 4 4 1995 IEC 801 4 Electrical Fast Transients Burst EN 61000 4 5 1995 IEC 1000 4 5 Surge EN 61000 4 11 199...

Page 5: ...ed and found to comply with the limits for a Class A digital device pursuant to Part 15 of the FCC Rules These limits are designed to provide reasonable protection against harmful interference when th...

Page 6: ...e 12 3 3 Using Sulfuric Acid 14 3 4 Clean Up of Spills and Leaks 14 3 5 Waste Management 15 CONSIDERATIONS DE SECURITE ET D ENVIRONNEMENT 16 3 6 Min ralisateur Digesdahl 16 3 7 Utilisation de l eau ox...

Page 7: ...TYPE AND SIZE 35 DIGESTION PROCEDURE FOR AQUEOUS LIQUIDS 39 DIGESTION PROCEDURE FOR OILS 53 DIGESTION PROCEDURE FOR SOLIDS 67 MAINTENANCE SECTION 5 MAINTENANCE 81 5 1 Fuse Replacement 81 5 2 Kit Repla...

Page 8: ...25 Total height approximately 61 cm 24 when assembled for use Weight Net 3 85 kg 8 5 lbs Shipping 4 8 kg 10 6 lbs Operating Conditions 15 35 C 59 95 F 0 85 relative humidity The Digesdahl apparatus ma...

Page 9: ...ially or imminently hazardous situation which if not avoided could result in death or serious injury CAUTION Indicates either a potentially or imminently hazardous situation which if not avoided could...

Page 10: ...ar with all safety procedures before handling any chemicals DANGER La manipulation des chantillons chimiques talons et r actifs peut tre dangereuse Lire les fiches de donn es de s curit des produits n...

Page 11: ...2 400 688 9809 www mamots com 0431 85178766...

Page 12: ...d precision with those obtained by traditional analytical methods DANGER This product does not have thermal run away protection when using polyphase AC main power systems Use this instrument only with...

Page 13: ...SEMBLY CAPILLARY FUNNEL ADAPTOR POWER SWITCH TEMPERATURE CONTROL DIGESTION FLASK FLASK WEIGHT SAFETY SHIELD COLLUMN BAFFLE VENT TRAP BODY FRACTIONATING COLUMN COLUMN RECEPTACLE VERTICAL SUPPORT HEAT S...

Page 14: ...ing Pad Finger Cots 2 Goggles safety Instruction Manual Fractionating Head System parts Fractionating Column w protector Capillary Funnel Capillary Funnel Adapter Vent Trap Body Vent Trap Cap Column B...

Page 15: ...6 2 2 Assembly 2 2 1 Heater Assembly Assemble the heater assembly as shown in Figure 2 Figure 2 Heater Assembly 400 688 9809 www mamots com 0431 85178766...

Page 16: ...the hose barb fitting in the aspirator side port and install the extension tube DANGER The Hach Fume Scrubber Apparatus can only be used with the Digesdahl Digestion Apparatus for sulfuric acid diges...

Page 17: ...8 Figure 3 Fractionating Column and Exhaust Assembly 400 688 9809 www mamots com 0431 85178766...

Page 18: ...set the heater temperature 1 Connect the power cord to the line voltage receptacle and set the POWER switch to ON The TEMPERATURE indicator will light 2 Set the Mode switch to SET The TEMPERATURE ind...

Page 19: ...10 400 688 9809 www mamots com 0431 85178766...

Page 20: ...er add hydrogen peroxide to a dry sample flask an explosion could occur If you are not sure enough sulfuric acid is present in the digestion flask STOP Do not add hydrogen peroxide Begin the digestion...

Page 21: ...drogen peroxide with any chemical reagents except as specified in the Hach instructions Do not add hydrogen peroxide directly to the column on the digestion flask Always add hydrogen peroxide in a slo...

Page 22: ...ht preferably in a refrigerator Do store in the original containers with closures as supplied and keep closed when not in use Be sure the containers are vented Hach hydrogen peroxide bottles are shipp...

Page 23: ...th water for 15 minutes Immediately call a physician Sulfuric acid mist or vapor has been classified by the International Agency for Research on Cancer IARC as a possible human carcinogen Sulfuric aci...

Page 24: ...l regulations Refer to Section VIII of the Hach Material Safety Data Sheet that come with reagents for basic disposal information on Hach Products The USEPA maintains a hotline number for questions re...

Page 25: ...ordre des op rations indiqu Si la fiole va sec la retirer imm diatement du syst me de chauffage et la laisser refroidir la temp rature ambiante Ne jamais ajouter d eau oxyg n e une fiole d chantillon...

Page 26: ...s endommag s Eliminer et remplacer tous les quipements endommag s Laisser le Digesdahl refroidir naturellement dans l air ambiant L eau froide peut briser le verre chaud 3 7 Utilisation de l eau oxyg...

Page 27: ...aux concentrations auxquelles il est utilis dans l industrie et peut provoquer une combustion spontan e au contact imm diat ou prolong des combustibles Il peut se d composer avec d gagement de chaleur...

Page 28: ...e r actifs sont pr vus avec un joint poreux sp cial qui permet l chappement de gaz Le bouchon d origine doit toujours tre utilis sur le flacon d eau oxyg n e A titre de pr caution les flacons de r act...

Page 29: ...te Un d versement d bordement ou une projection par le min ralisateur Digesdahl peut laisser un r sidu sur le mat riel ou d autres surfaces Le nettoyage du r sidu doit tre fait avec pr caution Veuille...

Page 30: ...dant 50 hydrogen peroxide are used in the digestion reaction These chemicals can cause burns if splashed on the skin or permanent eye damage if allowed to contact the eyes If the chemicals are hot eff...

Page 31: ...re followed by heating the hydrogen peroxide decomposes before the digest reaches the proper temperature Addition of hydrogen peroxide to a digest that is too hot volatilizes most of the oxidant with...

Page 32: ...dge 0 5 g dried sludge 4 mL 3 5 min 10 mL of increase in 5 mL increments Heat the diluted digest for 15 minutes and filter Water Wastewater not more than 0 5 g solid mL 40 C C solids 3 mL until acid i...

Page 33: ...SO4 at digestion temperature to give H2SO5 peroxymonosulfuric acid by the reaction H2SO4 H2O2 H2SO5 H2O This is an extremely powerful oxidizing agent toward carbonaceous material The objective is to m...

Page 34: ...acid is heated in the flask and the liquid sample is added through the capillary funnel Carbonization proceeds in a controlled manner When all the sample has been added the peroxide treatment begins a...

Page 35: ...n procedure 4 Any of the three standards may be used Ammonium p toluenesulfonate 111 03 mg L TKN is the least difficult to digest Glycine p toluenesulfonate 84 98 mg L TKN is moderately difficult to d...

Page 36: ...27 DIGESTION PROCEDURES 400 688 9809 www mamots com 0431 85178766...

Page 37: ...important safety information before performing this digestion procedure Danger Lire au chapitre 3 les informations importantes pour la s curit avant d effectuer cette technique de digestion 400 688 98...

Page 38: ...level work Hach recommends silicon carbide boiling chips 3 Turn on the water to the aspirator and make sure there is suction to the fractionating column Turn the temperature dial to a heat setting of...

Page 39: ...n peroxide Note If the digest does not turn colorless add 5 mL increments of peroxide until the digest becomes clear Note Use long neck glassware or a pipet to transfer the hydrogen peroxide 7 After a...

Page 40: ...100 mL mark with deionized water Invert several times to mix 11 If the sample has visible turbidity filter or wait until the turbidity settles and the upper portion of the sample is clear Filter as fo...

Page 41: ...se a pH meter if analyzing for potassium or silver 5 Add one drop of 1 N KOH Stopper the cylinder and invert several times to mix If analyzing for potassium use 1 N sodium hydroxide instead Note Use p...

Page 42: ...l the first flash of pale blue appears pH 3 4 Add one drop of 1 N KOH Stopper the cylinder and invert several times to mix Note View the cylinder from the top against a white background Compare the cy...

Page 43: ...34 400 688 9809 www mamots com 0431 85178766...

Page 44: ...or solid use the following charts Follow the appropriate procedure indicated for each sample type Sample size varies depending on the sample type and the parameter being measured Once the correct sam...

Page 45: ...36 SAMPLE TYPE AND SIZE continued Chart 2 For Oils 400 688 9809 www mamots com 0431 85178766...

Page 46: ...37 High levels of iron may interfere with analysis of some parameters Chart 3 For Solids SAMPLE TYPE AND SIZE continued 400 688 9809 www mamots com 0431 85178766...

Page 47: ...important safety information before performing this digestion procedure Danger Lire au chapitre 3 les informations importantes pour la s curit avant d effectuer cette technique de digestion 400 688 98...

Page 48: ...e boiling chips 3 Turn the temperature dial to a heat setting of 440 C 825 F When the proper temperature is reached turn on the water to the aspirator and make sure there is suction to the fractionati...

Page 49: ...oxide addition remove the Digesdahl digestion flask and fractionating column use finger cots Starting with Step 1 repeat the digestion adding only 2 mL of hydrogen peroxide Then follow with 8 mL of hy...

Page 50: ...t setting of 204 C 400 F Add 150 mL of water to a 400 mL beaker Place the beaker on the heater Place the flask in the beaker and boil for 15 minutes Air cool to room temperature and dilute to the 100...

Page 51: ...zed water to the volume indicated in the colorimetric procedure for the parameter you are analyzing Fill a second graduated mixing cylinder to the same volume with deionized water 8 Continue with the...

Page 52: ...mg L reading from instrument B mL sample amount from table C mL analysis volume from table Expected Al conc mg L Sample amount mL Analysis Volume mL Dilute to 0 1 5 40 0 20 0 50 0 mL 0 5 20 20 0 10 0...

Page 53: ...lysis Volume mL Dilute to 0 05 2 5 40 0 20 0 250 mL 0 2 10 20 0 10 0 250 mL 1 40 10 0 5 00 250 mL 10 400 5 00 1 00 250 mL 100 4000 1 00 0 50 250 mL Expected Cr conc mg L Sample amount mL Analysis Volu...

Page 54: ...lysis Volume mL Dilute to 0 1 6 0 40 0 20 0 25 0 mL 0 5 25 20 0 10 0 25 0 mL 2 0 100 10 0 5 00 25 0 mL 20 1000 5 00 1 00 25 0 mL 200 10000 1 00 0 50 25 0 mL Expected Cu conc mg L Sample amount mL Anal...

Page 55: ...alysis Volume mL Dilute to 0 15 8 40 0 20 0 25 0 mL 0 6 35 20 0 10 0 25 0 mL 2 5 125 10 0 5 00 25 0 mL 25 1250 5 00 1 00 25 0 mL 250 12500 1 00 0 50 25 0 mL Expected Fe conc mg L Sample amount mL Anal...

Page 56: ...ysis Volume mL Dilute to 0 1 5 0 40 0 20 0 250 mL 0 4 20 20 0 10 0 250 mL 1 5 80 10 0 5 00 250 mL 15 800 5 00 1 00 250 mL 150 8000 1 00 0 50 250 mL Expected Mn conc mg L Sample amount mL Analysis Volu...

Page 57: ...conc mg L Sample amount mL Analysis Volume mL Dilute to 0 05 3 40 0 20 0 25 0 mL 0 2 12 20 0 10 0 25 0 mL 0 8 47 10 0 5 00 25 0 mL 8 470 5 00 1 00 25 0 mL 80 4700 1 00 0 50 25 0 mL Expected Nitrogen c...

Page 58: ...0 12 6 40 0 20 0 25 0 mL 0 5 23 20 0 10 0 25 0 mL 2 90 10 0 5 00 25 0 mL 20 900 5 00 1 00 25 0 mL 200 9000 1 00 0 50 25 0 mL Expected K conc mg L Sample amount mL Analysis Volume mL Dilute to 4 20 40...

Page 59: ...Dilute to 0 08 3 7 40 0 20 0 50 0 mL 0 3 15 20 0 10 0 50 0 mL 1 0 60 10 0 5 00 50 0 mL 12 600 5 00 1 00 50 0 mL 120 6000 1 00 0 50 50 0 mL Expected Zn conc mg L Sample amount mL Analysis Volume mL Di...

Page 60: ...51 400 688 9809 www mamots com 0431 85178766...

Page 61: ...important safety information before performing this digestion procedure Danger Lire au chapitre 3 les informations importantes pour la s curit avant d effectuer cette technique de digestion 400 688 98...

Page 62: ...and make sure there is suction to the fractionating column Note Wait for the proper temperature to be reached before sample is placed on the heater 4 Place the flask weight followed by the fractionat...

Page 63: ...emaining peroxide 6 After addition of hydrogen peroxide is complete boil off excess hydrogen peroxide by heating for one more minute Do not heat to dryness Note If the sample goes to dryness turn off...

Page 64: ...the beaker and boil for15 minutes Cool to room temperature and dilute to the mark with demineralized water Invert several times to mix Note When using a Digesdahl Digestion Apparatus system without te...

Page 65: ...volume indicated in the colorimetric procedure for the parameter you are analyzing Fill a second graduated mixing cylinder to the same volume with deionized water 8 Continue with the colorimetric proc...

Page 66: ...e C mL analysis volume from table Aluminum ECR Method 8326 A mg L reading from instrument B g sample amount from table C mL analysis volume from table Expected Al conc mg kg Sample amount g Analysis V...

Page 67: ...sis volume from table Expected Cd conc mg kg Sample amount g Analysis Volume mL 10 400 0 250 20 0 25 1000 0 200 10 0 65 2600 0 150 5 00 480 20000 0 100 1 00 Expected Cr conc mg kg Sample amount g Anal...

Page 68: ...s volume from table Expected Co conc mg kg Sample amount g Analysis Volume mL 15 950 0 250 20 0 45 2400 0 200 10 0 120 6200 0 150 5 00 880 46000 0 100 1 00 Expected Cu conc mg kg Sample amount g Analy...

Page 69: ...ysis volume from table Expected Fe conc mg kg Sample amount g Analysis Volume mL 25 1400 0 250 20 0 60 3500 0 200 10 0 160 9300 0 150 5 00 1200 70000 0 100 1 00 Expected Fe conc mg kg Sample amount g...

Page 70: ...s volume from table Expected Pb conc mg kg Sample amount g Analysis Volume mL 15 800 0 250 20 0 38 2000 0 200 10 0 100 5300 0 150 5 00 750 40000 0 100 1 00 Expected Mn conc mg kg Sample amount g Analy...

Page 71: ...g sample amount from table C mL analysis volume from table Expected Ni conc mg kg Sample amount g Analysis Volume mL 7 470 0 250 20 0 20 1200 0 200 10 0 50 3100 0 150 5 00 350 23000 0 100 1 00 Expecte...

Page 72: ...ble Expected PO4 conc mg kg Sample amount g Analysis Volume mL 20 900 0 250 20 0 50 2300 0 200 10 0 130 6200 0 150 5 00 1000 45000 0 100 1 00 Expected K conc mg kg Sample amount g Analysis Volume mL 6...

Page 73: ...m table Expected Ag conc mg kg Sample amount g Analysis Volume mL 12 600 0 250 20 0 30 1500 0 200 10 0 80 4000 0 150 5 00 620 30000 0 100 1 00 Expected Zn conc mg kg Sample amount g Analysis Volume mL...

Page 74: ...65 400 688 9809 www mamots com 0431 85178766...

Page 75: ...important safety information before performing this digestion procedure Danger Lire au chapitre 3 les informations importantes pour la s curit avant d effectuer cette technique de digestion 400 688 98...

Page 76: ...fractionating column Note Wait for the proper temperature to be reached before sample is placed on the heater 4 Place the flask weight followed by the fractionating column with funnel on the flask Pla...

Page 77: ...with the remaining peroxide 6 After addition of hydrogen peroxide is complete boil off excess hydrogen peroxide by heating for one more minute Do not heat to dryness Note If the sample goes to dryness...

Page 78: ...ture and dilute to the mark with deionized water Invert several times to mix Note When using a Digesdahl Digestion Apparatus system without temperature control dials reset to a lower setting that gent...

Page 79: ...ionized water to the volume indicated in the colorimetric procedure for the parameter you are analyzing Fill a second graduated mixing cylinder to the same volume with deionized water 8 Continue with...

Page 80: ...ume from table Aluminum ECR Method 8326 A mg L reading from instrument B g sample amount from table C mL analysis volume from table Expected Al conc mg kg Sample amount g Analysis Volume mL 10 400 0 5...

Page 81: ...Expected Cd conc mg kg Sample amount g Analysis Volume mL 5 200 0 500 20 0 12 500 0 400 10 0 30 1300 0 300 5 00 240 10000 0 200 1 00 960 40000 0 100 0 50 Expected Cr conc mg kg Sample amount g Analys...

Page 82: ...pected Co conc mg kg Sample amount g Analysis Volume mL 10 450 0 500 20 0 20 1200 0 400 10 0 50 3000 0 300 5 00 500 20000 0 200 1 00 2000 100000 0 100 0 50 Expected Cu conc mg kg Sample amount g Analy...

Page 83: ...e Expected Fe conc mg kg Sample amount g Analysis Volume mL 12 700 0 500 20 0 35 1700 0 400 10 0 85 4500 0 300 5 00 650 35000 0 200 1 00 2500 140000 0 100 0 50 Expected Fe conc mg kg Sample amount g A...

Page 84: ...xpected Pb conc mg kg Sample amount g Analysis Volume mL 8 400 0 500 20 0 20 1000 0 400 10 0 50 2600 0 300 5 00 400 20000 0 200 1 00 1500 80000 0 100 0 50 Expected Mn conc mg kg Sample amount g Analys...

Page 85: ...analysis volume from table Expected Ni conc mg kg Sample amount g Analysis Volume mL 4 220 0 500 20 0 10 580 0 400 10 0 25 1500 0 300 5 00 200 11000 0 200 1 00 750 45000 0 100 0 50 Expected Nitrogen c...

Page 86: ...ed PO4 conc mg kg Sample amount g Analysis Volume mL 10 450 0 500 20 0 25 1100 0 400 10 0 67 3100 0 300 5 00 500 23000 0 200 1 00 2000 93000 0 100 0 50 Expected K conc mg kg Sample amount g Analysis V...

Page 87: ...onc mg kg Sample amount g Analysis Volume mL 6 300 0 500 20 0 15 750 0 400 10 0 40 2000 0 300 5 0 300 15000 0 200 1 00 1200 60000 0 100 0 50 Expected Zn conc mg kg Sample amount g Analysis Volume mL 1...

Page 88: ...require special attention Read and follow all warning instructions carefully to avoid personal injury and damage to the instrument Only qualified personnel should conduct maintenance procedures on th...

Page 89: ...80 400 688 9809 www mamots com 0431 85178766...

Page 90: ...3125 42 Flask Weight each 44340 00 Fractionating Head each 22855 20 Fractionating Column Kit 23131 20 Kit includes Fractionating Head Capillary Flow Funnel 8 3 cm 3 25 Column Baffle Tubing C Flex 5 fe...

Page 91: ...82 400 688 9809 www mamots com 0431 85178766...

Page 92: ...mpany customer service is an important part of every product we make With that in mind we have compiled the following information for your convenience GENERAL INFORMATION 400 688 9809 www mamots com 0...

Page 93: ...84 400 688 9809 www mamots com 0431 85178766...

Page 94: ...30 200 mL 144 45 Kjeldahl Reduction Reagent for fluid fertilizers 40 g 23653 04 2 4 Dinitrophenol Indicator Solution 100 mL MDB 1348 32 Nitric Acid Solution 1 1 500 mL 2540 49 Potassium Hydroxide 1 N...

Page 95: ...kg 14738 00 pH paper pH 1 11 5 roll pkg 391 33 Pipet Pasteur disposable 229 mm 200 pkg 21234 01 sension 1 Basic Portable pH Meter with electrode each 51700 10 Spatula stainless 10 cm each 561 64 Spoon...

Page 96: ...87 HOW TO ORDER 400 688 9809 www mamots com 0431 85178766...

Page 97: ...88 REPAIR SERVICE 400 688 9809 www mamots com 0431 85178766...

Page 98: ...89 WARRANTY 400 688 9809 www mamots com 0431 85178766...

Page 99: ...400 688 9809 www mamots com 0431 85178766...

Page 100: ...400 688 9809 www mamots com 0431 85178766...

Page 101: ...400 688 9809 www mamots com 0431 85178766...

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