Sentence examples for added portion from inspiring English sources

2-Hydrazino-5-methyl benzoic acid (10 mmol) was added portion wise to a stirred solution of diphenyl-N-cyanoimidocarabonate (10 mmol) in EtOH (20 mL) at 0°C.

A mixture of 1- 2,4-dimethylthiazol-5-yl 1- 2,4-dimethylthiazol-5-yl 1- 2,4-dimethylthiazol-5-yl 1- 2,4-dimethylthiazol-5-yl 1- 2,4-dimethylthiazol-5-ylhilethanoneng to solution sodium methoxide (0.54 g, 10 mmol) in dry ether (10 ml) at 0–5 °C.

Sodium borohydride (568 mg, 15.0 mmol) was added portion wise and the mixture was stirred on ice under argon for 1 h until the reaction had gone to completion by TLC.

To a warm ethanolic potassium hydroxide solution of each of 7 (2.88 g, 0.01 mol), bromomalononitrile (2) (1.45 g, 0.01 mol) was added portion-wise with stirring.

In brief: In a 100 mL round-bottomed flask, it was placed an excess amount of the diamine (10-fold) in absolute ethanol, then PAN (II) was added portion-wise over 1 h with stirring under nitrogen.

Palladium-carbon catalyst (0.036 g) (10%) was added portion-wise during 5-10 min to a hot solution of 15 (2.0 g, 0.003 mol) in ethanol (50 mL) containing hydrazine hydrate (1.16 g 0.023 mol).

Method A To a warm ethanolic potassium hydroxide solution [prepared by dissolving KOH (0.56 g, 0.01 mol) in ethanol (50 mL)] of each of 1a d [(1a, 2.64 g; 1b, 2.60 g; 1c, 2.75 g; 1d, 2.48 g; 0.01 mol)],bromomalononitrile (2) (1.45 g, 0.01 mol) was added portion-wise and stirred at room temperature for 24 h.

The reaction mixture was cooled to −40 °C, and tert-butyl hydroperoxide (70%, 1.72 mL, 12.00 mmol) was added portion-wise while stirring.

Synthesis of 8 wt %Pd@MIL-101Cr-NH 2: NaBH4 (0.076 g, 2 mmol) was added portion-wise to a mixture of MIL-101Cr-NH2-PdCl2 (0.140 g) and EtOH (30 mL) at 0 °C.

There are several advantages of choosing slurry spiking over direct dry mass addition: the volumes of aliquots (1 and 2 mL) are much easier to handle than directly adding portions of 7.5 mg of fine powder, i.e. in the case of TBT.

"As businesses travelers travel," Mr. Hart added, "some portion are going to be renting cars".