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Hach POCKET COLORIMETER II, Instruction Manual

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Hach POCKET COLORIMETER II Instruction Manual Download Page 46

1—46

Phosphonates, 

continued

Results may be expressed in terms of active phosphonic acid by multiplying the 
result by the appropriate conversion factor in 

Table 3

.

Active phosphonic acid (mg/L) = phosphate value x conversion factor.

Table 3

Phosphonate Type

Conversion Factor

Bayhibit AM PBTC

2.84

Dequest 2000, Wayplex NTP, ATMP

1.050

Dequest 2010, Wayplex HEDPA-60, HEDP

1.085

Dequest 2041, EDTMPA

1.148

Dequest 2051, HMDTMPA

1.295

Dequest 2060, DETPMPA

1.207

Summary of Contents for POCKET COLORIMETER II

Page 1: ...59576 88 POCKET COLORIMETER II ANALYSIS SYSTEMS INSTRUCTION MANUAL Reactive Phosphorous Phosphonates Hach Company 2006 All rights reserved Printed in the U S A te dk 9 06 2ed...

Page 2: ...1 2...

Page 3: ...lay 1 11 Instrument Cap Cord 1 12 Phosphorus Reactive 1 15 Using Powder Pillows USEPA accepted for reporting 1 16 Using AccuVac Ampuls USEPA accepted for reporting 1 20 Sampling and Storage 1 24 Accur...

Page 4: ...honates 1 39 Sampling and Storage 1 47 Accuracy Check 1 47 Standard Calibration Adjust Method 1 49 Interferences 1 49 Summary of Method 1 51 Reagents and Apparatus 1 52 Instrument Operation 2 3 Key Fu...

Page 5: ...cedure 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 Routine 2 24 Deleting Calibration...

Page 6: ...1 6...

Page 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...

Page 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...

Page 9: ...600 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 lbs Sample cells 25 mm 10 mL mark AccuVac Ampuls Operating conditions 0 to 50 C 0 to 90 relat...

Page 10: ...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...

Page 11: ...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...

Page 12: ...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 13 1 Loop the instrument cap cord through the ring on the cap 2 Remove...

Page 13: ...1 13 Instrument Cap Cord continued Figure 1 Attaching the Instrument Cap Cord...

Page 14: ...1 14...

Page 15: ...esult obtained with the same lot of PhosVer 3 reagent The optional AccuVac Snapper simplifies testing by retaining the broken tip minimizing exposure to the sample and providing controlled conditions...

Page 16: ...age 24 2 Add the contents of one PhosVer 3 Powder Pillow to the cell the prepared sample Immediately cap and shake 10 15 seconds Note Wipe off any liquid or finger prints 3 Wait at least 2 min but les...

Page 17: ...ple the blank Wipe off any liquid or fingerprints 5 Press the POWER key to turn the meter on The arrow should indicate channel 1 Note See page 2 4 for information on selecting the correct channel 6 Pl...

Page 18: ...ll show followed by 0 00 Remove the blank 8 Place the prepared sample into the cell holder with the diamond mark facing the keypad Cover the sample cell with the instrument cap 9 Press READ ENTER The...

Page 19: ...Subtract the reagent blank from the reading for true concentration Note To convert results to other units use the conversion table Table 1 Table 1 To convert reading from To Multiply by mg L PO4 3 mg...

Page 20: ...sample the blank Cap Collect at least 40 mL of sample in a 50 mL beaker 2 Fill a PhosVer 3 Phosphate AccuVac Ampul with sample Note Keep the tip of the ampule immersed until the ampule fills completel...

Page 21: ...re completing steps 6 8 5 Press the POWER key to turn the meter on The arrow should indicate channel 1 Note See page 2 4 for information on selecting the correct channel 6 Place the blank into the cel...

Page 22: ...ll turn on and the display will show followed by 0 00 Remove the blank 8 Place the ampule containing the prepared sample into the cell holder Cover the ampule with the instrument cap 9 Press READ ENTE...

Page 23: ...ed 10 Subtract the reagent blank from the reading for true concentration Note To convert results to other units use conversion Table 2 Table 2 To convert reading from To Multiply by mg L PO4 3 mg L P2...

Page 24: ...analyzed as soon as possible after collection If prompt analysis is impossible preserve samples up to 48 hours by storing at or below 4 C Warm to room temperature before testing Accuracy Check Standa...

Page 25: ...r and drinking water concentrations without dilution are available to confirm test results See Optional Reagents on page 29 Standard Calibration Adjust Method To perform a standard calibration adjustm...

Page 26: ...n present in concentrations exceeding those listed below Table 3 Aluminum Greater than 200 mg L Arsenate Interferes at any level Chromium Greater than 100 mg L Copper Greater than 10 mg L Hydrogen Sul...

Page 27: ...unts or color May cause inconsistent results because the acid in the powder pillow may dissolve some of the suspended particles and because of variable desorption of orthophosphate from the particles...

Page 28: ...complex giving an intense molybdenum blue color Reagents and Apparatus Required Reagents Description Unit Cat No PhosVer 3 Phosphate Reagent Powder Pillows 100 pkg 21060 69 OR PhosVer 3 Phosphate Reag...

Page 29: ...50 pkg 14501 99 Phosphate Standard Solution 1 mg L as PO4 3 500 mL 2569 49 Phosphate Standard Solution 3 mg L as PO4 3 946 mL 20597 16 Optional Reagents continued Phosphate Standard Solution Voluette...

Page 30: ...5 rolls pkg 391 33 sension 1 Basic Portable pH Meter with electrode each 51700 10 Pipet 2 mL serological each 532 36 Pipet TenSette 0 1 to 1 0 mL each 19700 01 Pipet Tips for 19700 01 50 pkg 21856 96...

Page 31: ...accepted for reporting wastewater analysis Measuring Hints If the expected total phosphate concentration is greater than 3 mg L dilute the sample and apply the appropriate dilution factor to the resu...

Page 32: ...e Rinse all glassware with 1 1 Hydrochloric Acid Solution Rinse again with deionized water 2 Add the contents of one Potassium Persulfate Powder Pillow Swirl to mix Note If only inorganic acid hydroly...

Page 33: ...should be concentrated to less than 20 mL for best recovery After concentration maintain the volume near 20 mL by adding small amounts of deionized water Do not exceed 20 mL 5 Cool the sample to room...

Page 34: ...de the organic phosphate plus the orthophosphate and the acid hydrolyzable condensed phosphate The organic phosphate concentration is determined by subtracting results of an acid hydrolyzable phosphor...

Page 35: ...ollection for best results If prompt analysis is impossible preserve samples up to 48 hours by storing at or below 4 C Warm to room temperature before testing Interferences For turbid samples use 50 m...

Page 36: ...etermined indirectly by subtracting the result of an acid hydrolyzable phosphorus test without potassium persulfate from the total phosphorus result with potassium persulfate This procedure must be fo...

Page 37: ...99 Sodium Hydroxide Solution 5 0 N 100 mL MDB 2450 32 Sulfuric Acid Solution 5 25 N 100 mL MDB 2449 32 Required Apparatus Cylinder graduated 25 mL each 508 40 Flask Erlenmeyer 50 mL each 505 41 Option...

Page 38: ...ted 50 mL each 508 41 Flask Erlenmeyer 125 mL each 505 43 Hot Plate 4 inch diameter 120 Vac each 12067 01 Hot Plate 4 inch diameter 240 Vac each 12067 02 Pad cooling 4 x 4 inches each 18376 00 pH Indi...

Page 39: ...soft clean tissue between samples The digestion in step 6 is normally completed in less than 10 minutes However contaminated samples or a weak lamp can cause incomplete phosphate conversion Check conv...

Page 40: ...Use a graduated cylinder or pipet to measure the sample 2 Pour the sample into a plastic 50 mL volumetric flask Dilute to the mark with deionized water Cap and invert to mix Table 1 Expected Concentra...

Page 41: ...le to the shoulder with the diluted sample approximately 25 mL 4 Fill a sample cell with 10 mL of diluted sample the blank from the flask 5 Add the contents of one Potassium Persulfate for Phosphonate...

Page 42: ...converted to orthophosphate during digestion Caution Wear UV safety goggles while the lamp is on 7 After digestion turn the power supply off and remove the lamp Caution Mixing bottle may be hot if lon...

Page 43: ...e color will form if phosphate is present both sample and blank may develop color 10 Wait at least 2 minutes but no more than 10 minutes for full color development before completing steps 11 15 11 Pre...

Page 44: ...pad Note Wipe off any liquid or finger prints Cover the sample cell with the instrument cap 13 Press ZERO SCROLL The meter will show followed by 0 0 Remove the blank 14 Place the prepared sample into...

Page 45: ...D ENTER The meter will show followed by the results in mg L phosphate Multiply this value by the appropriate multiplier in Table 2 to obtain the true phosphate concentration Table 2 Sample Volume Mult...

Page 46: ...ropriate conversion factor in Table 3 Active phosphonic acid mg L phosphate value x conversion factor Table 3 Phosphonate Type Conversion Factor Bayhibit AM PBTC 2 84 Dequest 2000 Wayplex NTP ATMP 1 0...

Page 47: ...sis Best results are obtained when samples are analyzed as soon as possible after collection If prompt analysis is impossible preserve samples up to 48 hours by storing at or below 4 C Warm to room te...

Page 48: ...hosphate concentration should increase 1 0 mg L for each 0 1 mL of standard added due to a dilution factor of 10 in the calibration Standard Solution Method 1 Fill a 10 mL sample cell to the 10 mL mar...

Page 49: ...e Standard Calibration Adjust on page 2 13 Preparation of 2 mg L Phosphate Standard Solution 1 Using a volumetric class A pipet transfer 2 mL of a 100 mg L Phosphate Standard Solution to a 100 mL volu...

Page 50: ...g L CDTA 100 mg L Chloride 5000 mg L Chromate 100 mg L Copper 100 mg L Cyanide 100 mg L Increase the UV digestion to 30 minutes Diethanoldithio carbamate 50 mg L EDTA 100 mg L Iron 200 mg L Nitrate 20...

Page 51: ...using the PhosVer 3 method Phosphites and organophos phorus compounds React quantitatively Meta and polyphosphates do not interfere Silica 500 mg L Silicate 100 mg L Sulfate 2000 mg L Sulfide Interfer...

Page 52: ...illows 1 Potassium Persulfate Powder Pillows Required Apparatus Description Unit Cat No Bottle mixing 6 pkg 439 06 Cylinder graduated 5 mL each 508 37 Flask volumetric 50 mL Nalge each 14060 41 Goggle...

Page 53: ...xide Standard Solution 5 0 N 100 mL MDB 2450 32 Water deionized 4 L 272 56 Optional Apparatus Description Unit Cat No Ampule Breaker Kit each 21968 00 Cylinder graduated 10 mL each 508 38 Cylinder gra...

Page 54: ...26710 00 UV lamp for 9 V battery power supply each 26708 00 UV lamp power supply for 26708 00 lamp requires 9 V batteries each 26706 00 Replacement Parts Batteries alkaline AAA 4 pkg 46743 00 Battery...

Page 55: ...2 1 Section 2 Instrument Manual...

Page 56: ...2 2...

Page 57: ...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...

Page 58: ...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...

Page 59: ...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...

Page 60: ...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...

Page 61: ...2 7 Instrument Operation continued Figure 1 Battery Installation...

Page 62: ...2 8...

Page 63: ...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...

Page 64: ...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...

Page 65: ...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...

Page 66: ...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...

Page 67: ...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...

Page 68: ...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...

Page 69: ...uments Any chemistry that can be run at the instrument wavelength may be user entered in these channels Using prepared standard solutions that cover the range of interest the meter generates a calibra...

Page 70: ...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...

Page 71: ...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...

Page 72: ...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...

Page 73: ...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...

Page 74: ...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...

Page 75: ...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...

Page 76: ...ay Note When editing a factory calibrated meter or range RES resolution cannot be changed Note When RES or S0 appears in the display press ZERO SCROLL to quickly scroll to the data to be edited 3 In u...

Page 77: ...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 the entry and advance to the next decimal place Repeat this sequenc...

Page 78: ...ation or the factory calibration if no user entered calibration has been completed Deleting Calibration Points 1 Select the range containing user entered calibration points See Switching Ranges on pag...

Page 79: ...Select the range to restore factory default calibration See Switching Ranges on page 2 4 2 Press and hold the MENU key until USER then CAL appears 3 Press the ZERO SCROLL key to find dFL 4 Press the R...

Page 80: ...ue of the standards entered in a user calibration Measurements that exceed the minimum or maximum standards entered in the user calibration will return a flashing number indicating underrange or overr...

Page 81: ...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...

Page 82: ...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...

Page 83: ...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...

Page 84: ...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...

Page 85: ...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...

Page 86: ...2 32...

Page 87: ...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...

Page 88: ...2 34...

Page 89: ...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...

Page 90: ...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...

Page 91: ...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...

Page 92: ...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...

Page 93: ...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...

Page 94: ...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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