For full functionality of this site it is necessary to enable JavaScript.
Here are the
instructions how to enable JavaScript in your web browser.

Top of the page

Skip to main content

Search

When search results are available use up and down arrows to review and enter to select. Touch device users explore by touch.

Search

When search results are available use up and down arrows to review and enter to select. Touch device users explore by touch.

Search

When search results are available use up and down arrows to review and enter to select. Touch device users explore by touch.

Products
Divisions
Resources
About

Reference Standards

950 product(s) found

Sort by:

View:List view Grid view

Show previous 20 products

1

0.8 NTU, Amco Clear Turbidity Standard

Contains a total of 7 products

2

1 NTU For Lamotte 2020WE, Amco Clear Turbidity Standard

Contains a total of 6 products

3

1 NTU For Thermo Scientific AQ 4500, Amco Clear Turbidity Standard

Contains a total of 5 products

4

1,000 us/cm, Conductivity Standard

Contains a total of 3 products

5

1.0 EBC, Amco Clear Turbidity Standard

Contains a total of 3 products

6

1.0 FNU For Lamotte 2020I And Tc3000I, Amco Clear Turbidity Standard

Contains a total of 3 products

7

1.0 FNU For Lamotte 2020IR, Amco Clear Turbidity Standard

Contains a total of 1 products

8

1.0 mg/g Certified Reference Material Water Standard, Watermark Karl Fischer Standard

Contains a total of 2 products

9

1.0 mg/g Water Standard, Watermark Karl Fischer Standard

Contains a total of 2 products

10

1.0 NTU For Hach TU5200 EPA, Amco Clear Turbidity Standard

Contains a total of 3 products

11

1.0 NTU, Amco Clear Turbidity Standard

Contains a total of 8 products

12

1.0 NTU, Hach 2100N/AN Instruments, Amco Clear Turbidity Standard

Contains a total of 7 products

13

1.0 NTU, Horiba U-52, Amco Clear Turbidity Standard

Contains a total of 4 products

14

1.0 NTU, Lamotte 2020 Instrument, Amco Clear Turbidity Standard

Contains a total of 4 products

15

1.0 NTU, Lamotte 2020E And TC 3000E, Amco Clear Turbidity Standard

Contains a total of 6 products

16

1.8 NTU, Amco Clear Turbidity Standard, For Hach Ratio Instruments

Contains a total of 6 products

17

10 EBC, Amco Clear Turbidity Standard

Contains a total of 2 products

18

10 FNU For Lamotte 2020I And Tc3000I, Amco Clear Turbidity Standard

Contains a total of 3 products

19

10 FNU For Lamotte 2020WI, Amco Clear Turbidity Standard

Contains a total of 4 products

20

10 FNU, Hach 2100Q IR, Amco Clear Turbidity Standard

Contains a total of 3 products

‹Previous page

Page 3
Page 4
Page 5
Page 6
Page 7
Page 8
Page 9
Page 10
Page 11
Page 12
Page 13
Page 14
Page 15
Page 16
Page 17
Page 18
Page 19
Page 20
Page 21
Page 22

Home
Products
Reference Standards

Filters:

CAS #

CAS # field

112-40-3
112-40-3
(1)
124-18-5
124-18-5
(1)
540-84-1
540-84-1
(9)
544-76-3
544-76-3
(1)
629-59-4
629-59-4
(1)

Product category

Product category field

AA Spectroscopy Standards
AA Spectroscopy Standards
(31)
Anion Standards
Anion Standards
(10)
Conductivity Standards
Conductivity Standards
(54)
Conostan
Conostan
(363)
IC Standards
IC Standards
(21)

Purity

0
0
(950)

Reference Standards

950 product(s) found

Sort by:

View:List view Grid view

Show previous 20 products

1

0.8 NTU, Amco Clear Turbidity Standard

Contains a total of 7 products

2

1 NTU For Lamotte 2020WE, Amco Clear Turbidity Standard

Contains a total of 6 products

3

1 NTU For Thermo Scientific AQ 4500, Amco Clear Turbidity Standard

Contains a total of 5 products

4

1,000 us/cm, Conductivity Standard

Contains a total of 3 products

5

1.0 EBC, Amco Clear Turbidity Standard

Contains a total of 3 products

6

1.0 FNU For Lamotte 2020I And Tc3000I, Amco Clear Turbidity Standard

Contains a total of 3 products

7

1.0 FNU For Lamotte 2020IR, Amco Clear Turbidity Standard

Contains a total of 1 products

8

1.0 mg/g Certified Reference Material Water Standard, Watermark Karl Fischer Standard

Contains a total of 2 products

9

1.0 mg/g Water Standard, Watermark Karl Fischer Standard

Contains a total of 2 products

10

1.0 NTU For Hach TU5200 EPA, Amco Clear Turbidity Standard

Contains a total of 3 products

11

1.0 NTU, Amco Clear Turbidity Standard

Contains a total of 8 products

12

1.0 NTU, Hach 2100N/AN Instruments, Amco Clear Turbidity Standard

Contains a total of 7 products

13

1.0 NTU, Horiba U-52, Amco Clear Turbidity Standard

Contains a total of 4 products

14

1.0 NTU, Lamotte 2020 Instrument, Amco Clear Turbidity Standard

Contains a total of 4 products

15

1.0 NTU, Lamotte 2020E And TC 3000E, Amco Clear Turbidity Standard

Contains a total of 6 products

16

1.8 NTU, Amco Clear Turbidity Standard, For Hach Ratio Instruments

Contains a total of 6 products

17

10 EBC, Amco Clear Turbidity Standard

Contains a total of 2 products

18

10 FNU For Lamotte 2020I And Tc3000I, Amco Clear Turbidity Standard

Contains a total of 3 products

19

10 FNU For Lamotte 2020WI, Amco Clear Turbidity Standard

Contains a total of 4 products

20

10 FNU, Hach 2100Q IR, Amco Clear Turbidity Standard

Contains a total of 3 products

‹Previous page

Page 3
Page 4
Page 5
Page 6
Page 7
Page 8
Page 9
Page 10
Page 11
Page 12
Page 13
Page 14
Page 15
Page 16
Page 17
Page 18
Page 19
Page 20
Page 21
Page 22

BUILD TO SPEC. ON RECORD. ON TIME.
Custom chemistry with ISO certification, full lot traceability, and CoA/SDS on every shipment.

Products Community Ties Contact Support Careers

© 2026 GFS Chemicals. All rights reserved.

Terms | Privacy Policy | Chemical Index

BUILD TO SPEC. ON RECORD. ON TIME.
Custom chemistry with ISO certification, full lot traceability, and CoA/SDS on every shipment.

Products Community Ties Contact Support Careers

© 2026 GFS Chemicals. All rights reserved.

Terms | Privacy Policy | Chemical Index

<img src="https://px.ads.linkedin.com/collect/?pid=8742122&fmt=gif" alt="" style="display:none" height="1" width="1"/>