You Searched For: (S)-b-Amino-3-bromo-benzeneethanol

Supplier: Roth Carl

Description: Ammonia solution 30 - 33%

Supplier: Thermo Fisher Scientific

Description: Ammonia solution 10% (w/w) in water, Extra Pure

Supplier: Thermo Fisher Scientific

Description: Ammonia solution 5% (w/w) in water, Extra Pure

Supplier: Thermo Fisher Scientific

Description: Ammonia solution 28,0 - 30,0% ACS

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Supplier: Spectrum Chemical

Description: Strong Ammonia Solution, NF has many uses such as in topical pharmaceutical solutions destined for treating insect bites. All Spectrum Chemical NF products are manufactured, packaged and stored under current Good Manufacturing Practices (cGMP) per 21CFR part 211 in FDA registered and inspected facilities.

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Supplier: Thermo Fisher Scientific

Description: Ammonia solution 25% ≥99.99% (metals basis)

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Supplier: Thermo Fisher Scientific

Description: Ammonia solution 28 - 30% (w/w) in water for analysis

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Catalog Number: (CMPL1004705.1000)

Supplier: CUSTOM MADE CHEMICALS LAB

Description: The reagent is specially intended for use in testing Ph Eur and monographs. This solution was produced according 4.1.1 of Ph Eur specifications using Ph Eur reagent quality components and water meeting the Ph Eur monograph requirement for purified water.

UOM: 1 * 1 L

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Supplier: Thermo Fisher Scientific

Description: Ammonia solution 28 - 30% in water ACS

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Supplier: Thermo Fisher Scientific

Description: Ammonia solution 50% (v/v) in aqueous solution

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Supplier: Roth Carl

Description: Ammonia solution 25%

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Supplier: Merck

Description: Ammonia solution 1 mol/l (1 N), Sigma-Aldrich®

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Supplier: Thermo Fisher Scientific

Description: Ammonia solution 20% in water for analysis

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Supplier: Thermo Fisher Scientific

Description: Ammonia solution 25% in water for analysis

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Supplier: VWR Chemicals

Description:

Indicator tablets for determination of water hardness by titration with EDTA.

Specifications
Minimum weight: ≥ 0.20 g
Maximum weight: ≤ 0.23 g
Disintegration time (at 25°C): ≤ 150 s
Application test: conforms

The tablets are dissolved in 100 ml of the water sample to be tested, which has been buffered at pH 10 with 1 ml of Ammonia/ Ammonium chloride buffer solution, and then titrated with EDTA solution (0,01 M) till the sample turns from red to blue.
Total hardness in mg/l = 10×ml of titrant used.

Control samples of  calcium carbonate should be used to calibrate the method.

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Supplier: Avantor

Description: Ready-to-use pH buffers are manufactured in large lots to stringent specifications and utilise quality control procedures to reduce lot-to-lot variability. You can eliminate the time and expense of preparation and standardisation of solutions, helping streamline high-volume analytical work in applications such as quality control.

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