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Hach 59530-16, Инструкция по эксплуатации

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1—46

Molybdenum, Molybdate, HR, 

continued

Interferences

Interference studies were conducted by preparing a molybdenum standard solution 
(2 mg/L Mo

6+

) as well as a solution of the potential interfering ion. When the 

standard solution concentration changed by ± 5% with a given ion concentration, 
the ion was considered an interference. 

Large interferences are caused by some biocides common to cooling water tower 
samples. Hach recommends testing the procedure on molybdenum standards in the 
presence of the specific biocides in use to determine the feasibility of the ternary 
complex chemistry. 

.    

Negative Interference:

Ion

Interferes at 

(mg/L):

Ion

Interferes at 

(mg/L):

Acrylates 790

Diethanoldithiocarba-mate

32

Alum

7

EDTA

1500

Aluminum

2

Ethylene Glycol

2% 

(by volume)

Содержание 59530-16

Страница 1: ...59577 88 POCKET COLORIMETER II ANALYSIS SYSTEMS INSTRUCTION MANUAL Iron Molybdenum Ozone Zinc Hach Company 2006 All rights reserved Printed in the U S A te dk 12 06 3ed...

Страница 2: ...ntended for use with the following Pocket Colorimeter II instruments The Pocket Colorimeter II instruments listed above are not interchangeable Iron Cat No 59530 16 Molybdenum Cat No 59530 10 Ozone Ca...

Страница 3: ...ry Labels 1 8 Specifications 1 9 Instrument Keys and Display 1 13 Instrument Cap Cord 1 14 Iron Total 1 17 Measuring Hints 1 17 Sampling and Storage 1 26 Accuracy Check 1 26 Standard Calibration Adjus...

Страница 4: ...38 Summary of Method 1 38 Replacement Parts 1 38 Molybdenum Molybdate HR 1 39 Measuring Hints 1 39 Sampling and Storage 1 44 Accuracy Check 1 44 Method Performance 1 45 Standard Calibration Adjust Me...

Страница 5: ...aratus 1 62 Zinc 1 63 Measuring Hints 1 63 Sampling and Storage 1 68 Accuracy Check 1 68 Method Performance 1 69 Standard Calibration Adjust Method 1 69 Interferences 1 70 Waste Management 1 70 Summar...

Страница 6: ...Overview 2 15 Calibration Procedure Using Prepared Standards 2 17 Entering a Predetermined Calibration Curve 2 20 Editing a User entered or Factory Calibration Curve 2 22 Exiting the Calibration Routi...

Страница 7: ...ified in this manual Laboratory Safety As part of good laboratory practice please familiarize yourself with the reagents used in these procedures Read all product labels and the material safety data s...

Страница 8: ...ardous situation that may result in minor or moderate injury NOTE Information that requires special emphasis Precautionary Labels Please pay particular attention to labels and tags attached to the ins...

Страница 9: ...00 nm Absorbance range 0 2 5 Abs Dimensions 3 2 x 6 1 x 15 2 cm 1 25 x 2 4 x 6 inches Weight 0 2 kg 0 43 lb Sample cells 25 mm 10 mL AccuVac Ampuls Operating conditions 0 to 50 C 32 to 122 F 0 to 90 r...

Страница 10: ...1 10...

Страница 11: ...productos qu micos GEFAHR Das Arbeiten mit chemischen Proben Standards und Reagenzien ist mit Gefahren verbunden Es wird dem Benutzer dieser Produkte empfohlen sich vor der Arbeit mit sicheren Verfahr...

Страница 12: ...1 12...

Страница 13: ...d Display Item Description 1 POWER BACKLIGHT Key 2 ZERO SCROLL Key 3 MENU Key 4 Numeric Display 5 Range Indicator 6 Range Indicator 7 Menu Indicator 8 Calibration Adjusted Indicator 9 Battery Low Indi...

Страница 14: ...Use the instrument cap cord to secure the cap to the body of the colorimeter and prevent loss of the cap See Figure 1 on page 1 15 1 Loop the instrument cap cord through the ring on the cap 2 Remove...

Страница 15: ...1 15 Instrument Cap Cord continued Figure 1 Attaching the Instrument Cap Cord...

Страница 16: ...1 16...

Страница 17: ...ampling and Storage on page 1 26 Wipe sample cells with a soft dry cloth before placing in the instrument After adding TPTZ reagent a blue color will form if iron is present Note The Pocket Colorimete...

Страница 18: ...cell to the 10 mL line with sample 2 Add the contents of one Iron TPTZ Reagent Powder Pillow to the cell the prepared sample Cap and shake for 30 seconds 3 Wait at least 3 minutes for full color deve...

Страница 19: ...Press the POWER key to turn the meter on The arrow should indicate mg L Fe Note See page 2 4 for information on selecting the correct range channel 6 Wipe the sample cells free of liquid or fingerpri...

Страница 20: ...1 20 Iron Total continued 7 Place the blank in the cell holder 8 Cover the blank with the instrument cap 9 Press ZERO SCROLL The display will show then 0 00 Remove the blank from the cell holder...

Страница 21: ...Iron Total continued 10 Place the prepared sample in the cell holder 11 Cover the sample cell with the instrument cap 12 Press READ ENTER The display will show then 0 00 followed by results in mg L I...

Страница 22: ...line with sample Cap Collect at least 40 mL of sample in a 50 mL beaker 2 Fill an Iron TPTZ Reagent AccuVac Ampul with sample Note Keep the tip of the ampule immersed until the ampule fills completel...

Страница 23: ...Press the POWER key to turn the meter on The arrow should indicate mg L Fe Note See page 2 4 for information on selecting the correct range channel 6 Wipe the sample cells free of liquid or fingerprin...

Страница 24: ...1 24 Iron Total continued 7 Place the blank in the cell holder 8 Cover the blank with the instrument cap 9 Press ZERO SCROLL The display will show then 0 00 Remove the blank from the cell holder...

Страница 25: ...Iron Total continued 10 Place the prepared sample in the cell holder 11 Cover the sample cell with the instrument cap 12 Press READ ENTER The display will show then 0 00 followed by results in mg L I...

Страница 26: ...e stored sample to between 3 and 4 with 5 0 N Sodium Hydroxide Standard Solution Do not exceed pH 5 as iron may precipitate Accuracy Check Standard Additions Method 1 Using a graduated cylinder measur...

Страница 27: ...ndards that simulate typical drinking water concentrations without dilution are available to confirm tests See Optional Reagents on page 1 31 Standard Calibration Adjust Method To perform a standard c...

Страница 28: ...to measure the pH in the sample Adjust the sample pH to between 3 and 8 by dropwise addition of an appropriate amount of iron free acid or base such as 1 0 N Sulfuric Acid Standard Solution or 1 0 N S...

Страница 29: ...pitated or suspended iron such as rust to the ferrous state The amount of ferric iron present can be determined as the difference between the results of a ferrous iron test and the concentration of to...

Страница 30: ...Per Test Unit Cat No TPTZ Iron Reagent Powder Pillows 10 mL size 2 pillows 100 pkg 26087 99 Required Reagents Using AccuVac Ampuls TPTZ Low Range Iron Reagent AccuVac Ampuls 1 ampul 25 pkg 25100 25 R...

Страница 31: ...25 mg L Fe 10 mL 16 pkg 14253 10 Nitric Acid ACS 500 mL 152 49 Nitric Acid Solution 1 1 500 mL 2540 49 Sodium Hydroxide Standard Solution 1 0 N 100 mL MDB 1045 32 Sodium Hydroxide Standard Solution 5...

Страница 32: ...1 to 11 pH 5 rolls pkg 391 33 sension 1 Basic Portable pH Meter with electrode each 51700 10 Pipet Filler safety bulb each 14651 00 Pipet serological 2 mL each 532 36 Pipet TenSette 0 1 to 1 0 mL eac...

Страница 33: ...NaMoO4 by multiplying the mg L molybdenum Mo6 result by 1 67 or 2 15 respectively Wipe sample cells with a soft dry cloth before placing in the instrument After adding reagent a green color will devel...

Страница 34: ...nge channel LR Note See page 2 4 for information on selecting the correct range channel 2 Fill a 25 mL mixing graduated cylinder to the 20 mL mark with sample 3 Add the contents of one Molybdenum 1 Re...

Страница 35: ...L is not critical for the blank Make sure the other cell contains 10 mL 5 Using the calibrated dropper add 0 5 mL of Molybdenum 2 to the sample in the uncapped 10 mL cell Cap the cell and swirl to mix...

Страница 36: ...Molybdenum Molybdate LR continued 7 Place the blank in the cell holder 8 Cover the blank with the instrument cap 9 Press ZERO SCROLL The display will show then 0 00 Remove the blank from the cell hol...

Страница 37: ...um Molybdate LR continued 10 Place the prepared sample in the cell holder 11 Cover the sample cell with the instrument cap 12 Press READ ENTER The display will show then 0 00 followed by results in mg...

Страница 38: ...g and Storage See Sampling and Storage on page 1 44 Accuracy Check See Accuracy Check on page 1 44 Interferences See Interferences on page 1 46 Summary of Method See Summary of Method on page 1 49 Rep...

Страница 39: ...NaMoO4 by multiplying the mg L molybdenum Mo6 result by 1 67 or 2 15 respectively Wipe sample cells with a soft dry cloth before placing in the instrument After adding reagent a green color will devel...

Страница 40: ...o turn the meter on The arrow should indicate the high range channel HR Note See page 2 4 for information on selecting the correct range channel 2 Fill a 25 mL mixing graduated cylinder to the 5 mL ma...

Страница 41: ...invert or gently shake until all particles are dissolved 5 Split the sample by filling two 10 mL sample cells to the 10 mL mark Cap one of the cells this is the blank 6 Using the calibrated dropper a...

Страница 42: ...bdate HR continued 7 Wipe the sample cells free of liquid Any liquid entering the sample cell compartment can cause damage to the instrument 8 Place the blank in the cell holder 9 Cover the blank with...

Страница 43: ...LL The display will show then 0 0 Remove the blank from the cell holder 11 Place the prepared sample in the cell holder Cover the sample cell with the instrument cap 12 Press READ ENTER The display wi...

Страница 44: ...scribed above The molybdenum concentration should increase approximately 0 38 mg L for the low range and 1 6 mg L for the high range for each 0 1 mL of standard added Standard Solutions Method For the...

Страница 45: ...0 02 mg L Mo LR 10 0 0 1mg L Mo HR Estimated Detection Limit EDL 0 02 mg L Mo LR EDL 0 1 mg L Mo HR Standard Calibration Adjust Method To perform a standard calibration adjustment using the 2 00 and 1...

Страница 46: ...entration the ion was considered an interference Large interferences are caused by some biocides common to cooling water tower samples Hach recommends testing the procedure on molybdenum standards in...

Страница 47: ...ite 3300 Nitrite 3501 Borate 5250 Orthophosphate 4500 Chloride 1400 Phosphonohydroxy acetic acid 32 Chromium Cr6 4 51 Sulfite 6500 Copper 98 1Read the molybdenum concentration immediately after the 2...

Страница 48: ...ation reading by approximately 10 Positive Interference Ion Highest Concentration Tested mg L Benzotriazole 210 Carbonate 1325 Silica 600 No Interference Ion Highest Concentration Tested mg L Ion High...

Страница 49: ...of acid or base such as 1 0 N Sulfuric Acid Standard Solution or 1 0 N Sodium Hydroxide Solution If significant volumes of acid or base are used a volume correction should be made Divide the total vol...

Страница 50: ...r Pillow 100 pkg Molybdenum 2 Reagent Solution 50 mL Optional Reagents Hydrochloric Acid Solution 1 1 6 0 N 500 mL 884 49 Molybdenum Standard Solution 10 mg L as Mo 100 mL 14187 42 Sodium Hydroxide St...

Страница 51: ...umetric 50 mL each 14574 41 Pipet TenSette 0 1 to 1 0 mL each 19700 01 Pipet volumetric 10 mL Class A each 14515 38 Pipet Filler safety bulb each 14651 00 Pipet Tips TenSette for 19700 01 pkg 50 21856...

Страница 52: ...1 52...

Страница 53: ...he concentration is exceeded If the reading is over 0 25 mg L using the low range repeat the test using mid range ampules and the mid range of the instrument If the concentration is over 0 75 mg L dil...

Страница 54: ...r information on selecting the correct range channel 2 Gently collect at least 40 mL of sample in a 50 mL beaker Note Samples must be analyzed immediately and cannot be preserved for later analysis 3...

Страница 55: ...he blank Keep the tip immersed while the ampule fills completely 5 Gently but quickly invert both ampules several times to mix Wipe off any liquid or fingerprints Note Do not shake the ampules Shaking...

Страница 56: ...56 Ozone continued 7 Cover the blank with the instrument cap 8 Press ZERO SCROLL The display will show then 0 00 Remove the blank from the cell holder 9 Place the prepared sample into the cell holder...

Страница 57: ...1 57 Ozone continued 10 Cover the sample cell with the instrument cap 11 Press READ ENTER The display will show then 0 00 followed by results in mg L Ozone O3...

Страница 58: ...bility of Indigo Reagent Indigo is light sensitive Therefore the AccuVac Ampuls should be kept in the dark at all times However the indigo solution decomposes slowly under room light after filling wit...

Страница 59: ...on or by an alternate method The concentration of the ozone standard for the Low Range procedure must be between 0 10 and 0 20 mg L ozone and between 0 30 and 0 70 mg L ozone for the mid range procedu...

Страница 60: ...ed to verify the accuracy of the entire Pocket Colorimeter system The Spec Standards should NEVER be used to calibrate the instrument The certificate of analysis lists the expected value and tolerance...

Страница 61: ...ard measurements of the Spec Standards will need to be performed again for the user calibration Summary of Method The reagent formulation adjusts the sample pH to 2 5 after the ampule has filled The i...

Страница 62: ...s 0 to 0 25 mg L 25 pkg 25160 25 Mid Range Ozone AccuVac Ampuls 0 to 0 75 mg L 25 pkg 25170 25 Required Apparatus Using AccuVac Ampuls Beaker 50 mL each 500 41H Optional Reagents Spec Secondary Standa...

Страница 63: ...le digestion However if the sample contains particulate matter digestion is required for total zinc measurement Use only glass stoppered cylinders in the procedure Wipe sample cells with a soft dry cl...

Страница 64: ...Note See page 2 4 for information on selecting the correct channel 2 Fill a 25 mL mixing graduated cylinder to the 20 mL mark with sample 3 Add the contents of one ZincoVer 5 Reagent Powder Pillow to...

Страница 65: ...brated dropper to add 0 5 mL of cyclohexanone to the sample remaining in the mixing cylinder Stopper and shake for 30 seconds Wait three minutes but no longer than 15 minutes for full color developmen...

Страница 66: ...1 66 Zinc continued 7 Place the blank in the cell holder 8 Cover the blank with the instrument cap 9 Press ZERO SCROLL The display will show then 0 00 Remove the blank from the cell holder...

Страница 67: ...67 Zinc continued 10 Place the prepared sample in the cell holder 11 Cover the sample cell with the instrument cap 12 Press READ ENTER The display will show then 0 00 followed by the results in mg L Z...

Страница 68: ...Hydroxide before analysis Never add the reagent to samples with pH less than 4 Do not exceed pH 5 as zinc may be lost as a precipitate Accuracy Check Standard Additions Method 1 Snap the neck off a Zi...

Страница 69: ...s and flasks Perform the procedure as described above Method Performance Typical Precision 95 Confidence Interval 2 00 0 08 mg L Zn Estimated Detection Limit EDL 0 02 mg L Zn Standard Calibration Adju...

Страница 70: ...ring capacity of the reagents and require sample pretreatment Waste Management ZincoVer 5 reagent contains potassium cyanide Cyanide solutions are regulated as hazardous wastes by the Federal RCRA Cya...

Страница 71: ...Zincon indicator to form a blue colored species The blue color is masked by the brown color from the excess indicator The intensity of the blue color is proportional to the amount of zinc present Reag...

Страница 72: ...100 mL 2378 42 pH Indicator paper 1 11 pH 5 rolls pkg 391 33 Zinc Standard Solution Voluette Ampules 25 mg L as Zn 10 mL 16 pkg 14246 10 Optional Apparatus Flask volumetric 100 mL each 14574 42 Pipet...

Страница 73: ...2 1 Section 2 Instrument Manual...

Страница 74: ...2 2...

Страница 75: ...the backlight This key functions the same in all instrument modes and ranges ZERO SCROLL In measurement mode sets the instrument to zero In menu mode scrolls through menu options Also scrolls numbers...

Страница 76: ...the current range 2 Press the READ ENTER key to toggle between ranges 3 Press MENU again to accept and exit back to the measurement screen Setting the Time 1 Press the MENU key then press the ZERO SCR...

Страница 77: ...ss the ZERO SCROLL key until the display shows RCL The instrument automatically stores the last 10 measurements 2 In RCL press READ ENTER to recall the stored measurements beginning with the most rece...

Страница 78: ...battery compartment cover The display will show the software version number e g P 1 6 after correct battery installation When replacing discharged batteries always replace the complete set of four alk...

Страница 79: ...2 7 Instrument Operation continued Figure 1 Battery Installation...

Страница 80: ...2 8...

Страница 81: ...ges in the order that they appear on the display Service Centers are listed in page 2 37 Error Messages 1 E 0 No Zero User mode Error occurs when trying to read a standard in the user calibration mode...

Страница 82: ...chemistry If the E 1 or E 2 error occurs while zeroing the meter the meter will require the user to re zero 4 E 3 Standard Adjust Error The value obtained on the prepared standard exceeds the adjustme...

Страница 83: ...r measure the absorbance value again If the problem persists contact a Service Center page 2 37 6 E 7 Standard Value Error User mode Standard concentration is equal to another standard concentration t...

Страница 84: ...e instrument If the problem persists contact a Service Center page 2 37 Note See Maximum Minimum Displayed Value on page 2 26 for more information 9 Overrange flashing number above stated test range N...

Страница 85: ...nown standard Use the standard described in the procedure 1 Place a blank in the meter in measurement mode Press ZERO SCROLL 2 Place the reacted standard in the meter Press READ ENTER 3 Press MENU the...

Страница 86: ...bration Adjusted icon will appear in the display window To turn off Standard Calibration Adjust SCA 1 Press MENU 2 Press ZERO SCROLL until SCA appears in the display 3 Press READ ENTER then press ZERO...

Страница 87: ...e user entered in these channels Using prepared standard solutions that cover the range of interest the meter generates a calibration curve by calculating the straight line segments between each stand...

Страница 88: ...rations are stored upon exit from the calibration or edit modes Note To return to factory settings following the instructions in Retrieving the Factory Calibration on page 2 25 If the instrument is sh...

Страница 89: ...reagent blank is significantly more turbid or colored than deionized water Use the deionized water or the reagent blank as the zero concentration point S0 in the following calibration procedure 1 Turn...

Страница 90: ...ter or range RES resolution cannot be changed 6 In uncalibrated meters or meters with ranges labeled Abs RES will appear Press ZERO SCROLL to review the current resolution decimal placement Press ZERO...

Страница 91: ...AD ENTER key to move from digit to digit Use the ZERO SCROLL key to change the number 12 After completing entry of the first standard value press the READ ENTER key The display will show A1 13 Insert...

Страница 92: ...dure uses the Edit mode 1 Turn on the instrument and select the range to be calibrated An arrow at the top of the display will point to the selected range To change ranges press the MENU key then use...

Страница 93: ...appear on the display 7 To enter the absorbance value for S0 press the READ ENTER key to go to entry mode Use the ZERO SCROLL key to select the numerical value then press the READ ENTER key to accept...

Страница 94: ...his channel 2 Press the READ ENTER key to enter Edit mode In factory calibrated meters S0 will appear in the display Note When editing a factory calibrated meter or range RES resolution cannot be chan...

Страница 95: ...READ ENTER to accept A0 will appear on the display 7 To edit the absorbance value for S0 press the READ ENTER key to go to entry mode Use the ZERO SCROLL key to select the numerical value then press t...

Страница 96: ...the MENU key to return to measurement mode The instrument uses the last completed user entered calibration or the factory calibration if no user entered calibration has been completed Deleting Calibr...

Страница 97: ...s feature 6 Press MENU to return to the measurement mode Retrieving the Factory Calibration 1 Select the range to restore factory default calibration See Switching Ranges on page 2 4 2 Press and hold...

Страница 98: ...e In meters with absorbance Abs ranges the maximum displayed value and minimum displayed value is related to the value of the standards entered in a user calibration Measurements that exceed the minim...

Страница 99: ...alibration with the following standards S0 1 00 S1 2 00 S2 4 00 For Hach calibrated programs the maximum and minimum displayed values always equal the factory calibrated values and cannot be changed M...

Страница 100: ...2 28...

Страница 101: ...C Immunity Per 89 336 EEC EMC EN 61326 1998 Electrical Equipment for measurement control and laboratory use EMC requirements Supporting test records by Hach Company certified compliance by Hach Compan...

Страница 102: ...EN 55022 CISPR 22 Class B emissions limits Canadian Interference causing Equipment Regulation IECS 003 Class A Supporting test records from Hach EMC Test Facility certified compliance by Hach Company...

Страница 103: ...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 the equipment...

Страница 104: ...moving one of its batteries to verify that it is or is not the source of the interference 2 Move the Pocket Colorimeter instrument away from the device receiving the interference 3 Reposition the rece...

Страница 105: ...2 33 At Hach Company 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...

Страница 106: ...2 34...

Страница 107: ...0 227 4224 Loveland Colorado 80539 0389 U S A By FAX For order information by E mail 970 669 2932 Hach Loveland orders www hach com Information Required Hach account number if available Purchase order...

Страница 108: ...ts in analytical methods they are happy to put their talents to work for you Call 1 800 227 4224 or E mail techhelp hach com International Customers Hach maintains a worldwide network of dealers and d...

Страница 109: ...3H 0X4 800 227 4224 USA only 800 665 7635 Canada only FAX 515 232 3835 Telephone 204 632 5598 FAX 204 694 5134 E mail canada hach com Latin America Caribbean Africa Europe the Middle East Far East Ind...

Страница 110: ...efective product or refund the purchase price excluding original shipping and handling charges Any product repaired or replaced under this warranty will be warranted only for the remainder of the orig...

Страница 111: ...mage caused by misuse neglect accident or improper application or installation damage caused by any repair or attempted repair not authorized by Hach Company any product not used in accordance with th...

Страница 112: ...ranty gives you specific rights and you may also have other rights that vary from state to state This warranty constitutes the final complete and exclusive statement of warranty terms and no person is...

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