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1.09478

Ammonium buffer solution

for complexometry (ammonium chloride/ammonia) pH = 10-11

Synonym(s):

Ammonium Salt Buffer Solution

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1 L
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CZK 2,280.00

About This Item

NACRES:
NA.21
UNSPSC Code:
12161705

CZK 2,280.00


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Quality Segment

form

liquid

technique(s)

titration: suitable

pH

10.5 (20 °C in H2O)

density

0.978 g/cm3 at 20 °C

storage temp.

15-25°C

Application


  • Ultratrace Detection of Nickel(II) Ions in Water Samples Using Dimethylglyoxime-Doped GQDs as the Induced Metal Complex Nanoparticles by a Resonance Light Scattering Sensor.: This study employs ammonium buffer solution in a novel sensor setup for the ultra-sensitive detection of nickel ions, highlighting its potential for environmental monitoring and pollution control (Pimsin N et al., 2021).

  • Simple flow injection colorimetric system for determination of paraquat in natural water.: Ammonium buffer solution is utilized in a flow injection analysis system, simplifying the detection of paraquat in water, which can be crucial for ensuring water safety and environmental protection (Chuntib P et al., 2015).

  • A simple and sensitive flow-injection on-line preconcentration coupled with hydride generation atomic fluorescence spectrometry for the determination of ultra-trace lead in water, wine, and rice.: This method uses ammonium buffer solution to enhance the sensitivity and selectivity of lead detection, important for food safety and public health (Wu H et al., 2007).

  • On-line organoselenium interference removal for inorganic selenium species by flow injection coprecipitation preconcentration coupled with hydride generation atomic fluorescence spectrometry.: Utilizes ammonium buffer to segregate and quantify selenium in complex samples, a critical advancement for environmental and health-related studies (Wu H et al., 2007).

  • On-line arsenic co-precipitation on ethyl vinyl acetate turning-packed mini-column followed by hydride generation-ICP OES determination.: In this research, ammonium buffer solution plays a crucial role in the online preconcentration technique for arsenic, essential for monitoring arsenic contamination in various matrices (Gil RA et al., 2007).


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This Item
3186041.990571.99054
technique(s)

titration: suitable

technique(s)

-

technique(s)

-

technique(s)

-

storage temp.

15-25°C

storage temp.

-

storage temp.

15-25°C

storage temp.

15-25°C

Quality Level

100

Quality Level

100

Quality Level

300

Quality Level

300

form

liquid

form

liquid

form

-

form

-

pH

10.5 (20 °C in H2O)

pH

10-11

pH

7.0 (25 °C in H2O)

pH

4.0 (25 °C in H2O)

density

0.978 g/cm3 at 20 °C

density

0.99 g/mL at 25 °C

density

1.01 g/cm3 at 20 °C

density

1.00 g/cm3 at 20 °C


signalword

Danger

Hazard Classifications

Aquatic Acute 1 - Aquatic Chronic 3 - Eye Dam. 1 - Skin Corr. 1B - STOT SE 3

target_organs

Respiratory system

Storage Class

8B - Non-combustible, corrosive hazardous materials

wgk

WGK 2

flash_point_f

Not applicable

flash_point_c

Not applicable


Regulatory Listings

Regulatory Listings are mainly provided for chemical products. Only limited information can be provided here for non-chemical products. No entry means none of the components are listed. It is the user’s obligation to ensure the safe and legal use of the product.

12125-02-9

CAS No.


Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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Questions

1–3 of 3 Questions  
  1. Art. 109478 ist es vergleichbar mit dem European Pharmacopoeia - Reagenz "ammonium chloride buffer solution pH 10.0 R, 1" ?

    1 answer
    1. This product is not prepared according to the European Pharmacopoeia (EP). Currently, an EP version of Ammonium Chloride buffer is not available.

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  2. How can I determine the shelf life / expiration / retest date of this product?

    1 answer
    1. If this product has an expiration or retest date, it will be shown on the Certificate of Analysis (COA, CofA). If there is no retest or expiration date listed on the product's COA, we do not have suitable stability data to determine a shelf life. For these products, the only date on the COA will be the release date; a retest, expiration, or use-by-date will not be displayed.
      For all products, we recommend handling per defined conditions as printed in our product literature and website product descriptions. We recommend that products should be routinely inspected by customers to ensure they perform as expected.
      For products without retest or expiration dates, our standard warranty of 1 year from the date of shipment is applicable.
      For more information, please refer to the Product Dating Information document: https://www.sigmaaldrich.com/deepweb/assets/sigmaaldrich/marketing/global/documents/418/501/product-dating-information-06-25-mk.pdf

      Helpful?

  3. How is shipping temperature determined? And how is it related to the product storage temperature?

    1 answer
    1. Products may be shipped at a different temperature than the recommended long-term storage temperature. If the product quality is sensitive to short-term exposure to conditions other than the recommended long-term storage, it will be shipped on wet or dry-ice. If the product quality is NOT affected by short-term exposure to conditions other than the recommended long-term storage, it will be shipped at ambient temperature. As shipping routes are configured for minimum transit times, shipping at ambient temperature helps control shipping costs for our customers. For more information, please refer to the Storage and Transport Conditions document: https://www.sigmaaldrich.com/deepweb/assets/sigmaaldrich/marketing/global/documents/316/622/storage-transport-conditions-mk.pdf

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