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| Standards |
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pH buffers
(Certified from an accredited laboratory. 5 -year stability and easy handling)
Features:
- Convenient 250 mL and 500 mL plastic bottle with built-in calibration compartment
- Economical, since only about 20 mL of buffer is used per calibration
- Actual value is determined by a DKD laboratory, accredited for pH measurement
- First class certificate with traceability to international standards
- Expiration date on the bottle
- Immune to micro-organisms
Buffers available with pH value
(1.09, 1.68, 2.00, 3.06, 4.01, 5,00, 6.00, 7.00, 8.00, 9.21, 10.1, 11, 12) |
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Conductivity standards
(Certified from an accredited laboratory. Fulfills USP chapter 625 requirements)
Unique Advantages:
- Stable for at least 1 year (1.3 μS/cm), up to 3 years
- Certified standards with traceable calibration from DFM
- Expiration date on every bottle
- First class certificate with traceability to international standards
- Bottles can remain open for up to 60 minutes and retain
the certified value.
Available standards
(1.3, 5,15, 84,100, 147, 1413, 12288 μS/cm) |
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Polymer Standards for GPC
Polymer standards are available in the widest range of molecular weights, and as kits and individual molecular weights for maximum choice.
Polymer standards are supplied with a comprehensive Certificate of Analysis detailing the characterization procedures employed and the results obtained.
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| Polymer Type |
Individual MW |
Calibration Kits |
EasiCal™ |
EasiVial™ |
Types of GPC/SEC |
| Polystyrene |
Yes |
Yes |
Yes |
Yes |
Organic |
| Polymethylmethacrylate
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Yes |
Yes |
- |
Yes |
Organic |
| Polyethylene Glycol (PEG)
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Yes |
Yes |
- |
Yes |
Organic/Aqueous |
| Polyethylene Oxide (PEO)
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Yes |
Yes |
- |
Yes |
Organic/Aqueous |
| Pullulan Polysaccharide
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Yes |
Yes |
- |
- |
Organic/Aqueous |
| Polyacrylic Acid (Na Salt)
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Yes |
Yes |
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Aqueous |
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| Polymer Standards available as |
- Calibration Kits:
Polyacrylic Acid ( Na salt ) Kits, Polyethylene ( Linear ) Kits, Polyethylene ( Short Chain Branching ) Kits, Polyethylene Glycol ( PEG ) Kits, Polyethylene Oxide ( PEO ) Kits, Polymethylmethacrylate ( PMMA ) Kits, Polystyrene ( PS ) Kits, Pullulan Polysaccharide Kits
- EasiCal Pre-prepared Calibration Kits:
Polystyrene PS-1 (MW Range 580-7,500,000), Polystyrene PS-2 (MW Range 580-400,000)
- EasiVial Pre-weighed Polymer Standards Kits
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| EasiVial Type |
EasiVial
PS-H
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EasiVial
PS-M
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EasiVial PS-L |
EEasiVial PM |
EasiVial PEG/PEO |
| Red |
Nominal Mp
6,000,000
500,000
20,000
1,300
3,000,000
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Nominal Mp
400,000
50,000
6,000
780
200,000
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Nominal Mp
40,000
10,000
3,000
580
25,000
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Nominal Mp
2,000,000
300,000
30,000
2,000
800,000
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Nominal Mp
1,200,000
125,000
12,000
600
1,000,000
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| Yellow
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185,000
8,500
580
900,000
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25,000
2,500
370
100,000
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6,000
2,000
370
16,000
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150,000
13,000
1,000
470,000
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60,000
4,000
200
460,000
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| Green |
60,000
3,400
162
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11,000
1,500
162
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4,000
1,000
162
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80,000
5,700
600
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25,000
1,500
100
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- Linear, Narrow Dispersity Polyethylene Standards:
Polyethylene GPC Calibration Kit (E-MW-10) Kit Type E-MW-10 MW Range 5,000-1,500,000;
Polyethylene GPC Calibration Kit (E-M-10) Kit Type E-M-10 MW Range 170-120,000
- Nominals / Individual Molecular Weights:
Polyacrylic Acid ( Na Salt ), Polyethylene, Polyethylene Glycol ( PEG ) , Polyethylene Oxide ( PEO ), Polymethylmethacrylate ( PMMA ), Polystyrene, Pullulan Polysaccharide
- Specialty Polymers:
Block Copolymers, Deuterated Polymethylmethacrylate -d8, Deuterated Polystyrene -d8, Methoxy Polyethylene Glycols (MPEGs)
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Atomic Spectroscopy Standards
Wide Selection of Atomic Spectroscopy Calibration Standards are available. Each solution is supplied with comprehensive Certificate of Analysis.
- Multi Element Standards
- Spike Sample Analysis
- Enviornmental Method Sets
- Internal Standard Solutions
- Performance Verification Standards
- Instrument Calibration Standards
- Instrument Check Standards
- SmartTune Standards
- Wash Standards
- Single Element Calibration Standards
- Mixed Calibration Standards
- Initial Calibration Verification Standards
- Contract Required Detection Limit (CRDL)
- Quality Control Standards
- WaveCal Solutions
- Interference Check Standards
- Water Pollutant Standards
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| In case you have any specific requirement, please contact us. |
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| All respective trademarks acknowledged. |
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