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Reference: GF1012F / KL1012F

Triple Sugar Iron Agar (TSI), GF1012F / KL1012F

Slant agar with lactose, sucrose and glucose for the biochemical identification of Salmonella and other Gram-negative Enterobacteriaceae; ISO 6579 is listed.

Key specifications

Product code (dehydrated powder)
GF1012F
Product code (granulated)
KL1012F
Form
Dehydrated powder (GF) and granulated (KL) versions
Standards (ACC field)
ISO 6579 (GF1012F)
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  • Installed and commissioned on site
  • Training and after-sales support across Jordan, the GCC and MENA

Overview

Product overview

Triple Sugar Iron Agar is used for biochemical identification of Salmonella and other Enterobacteriaceae. It combines lactose, sucrose and glucose with an iron salt and sodium thiosulfate and phenol red as the indicator, and is poured as slants with deep butts in test tubes. The GF1012F listing references ISO 6579.

The powder (GF1012F) and granulated (KL1012F) versions have somewhat different published formulas and are therefore described separately in the specifications. GF1012F uses 64.6 g/L, autoclaved at 121 °C for 15 minutes, with beef extract 3.0, yeast extract 3.0 and peptone 20.0 g/L. KL1012F uses 63.4 g/L, autoclaved at 115 °C for 15 minutes, with peptone 20.0 and beef extract 5.0 g/L and ammonium ferrous sulfate as the iron source. Both end at pH 7.4 ± 0.2.

After autoclaving, tubes are cooled in a slanted position. Sealed shelf life is 3 years. Not for clinical use.

Specifications

Technical specifications

34 parameters

Identification

Product code (dehydrated powder)
GF1012F
Product code (granulated)
KL1012F
Form
Dehydrated powder (GF) and granulated (KL) versions
Standards (ACC field)
ISO 6579 (GF1012F)

Preparation

Quantity per litre of purified water (GF1012F)
64.6 g
Quantity per litre of purified water (KL1012F)
63.4 g
Dissolution
Heat with frequent agitation and boil to dissolve completely; distribute into test tubes
Sterilisation (GF1012F)
Autoclave at 121 °C for 15 minutes
Sterilisation (KL1012F)
Autoclave at 115 °C for 15 minutes
Setting
Cool tubes in a slanted position to form slants with deep butts
Final pH (25 °C), both versions
7.4 ± 0.2

Storage

Storage
Store in a dark, dry place at 2-25 °C; tighten the bottle cap immediately after use
Shelf life (sealed)
3 years

Composition

Beef extract (GF1012F)
3.0 g/L
Yeast extract (GF1012F)
3.0 g/L
Peptone (GF1012F)
20.0 g/L
Sodium chloride (GF1012F)
5.0 g/L
Lactose (GF1012F)
10.0 g/L
Sucrose (GF1012F)
10.0 g/L
Glucose (GF1012F)
1.0 g/L
Iron(III) citrate (GF1012F)
0.3 g/L
Sodium thiosulfate (GF1012F)
0.3 g/L
Phenol red (GF1012F)
0.024 g/L
Agar (GF1012F)
12.0 g/L
Peptone (KL1012F)
20.0 g/L
Beef extract (KL1012F)
5.0 g/L
Lactose (KL1012F)
10 g/L
Sucrose (KL1012F)
10 g/L
Dextrose (KL1012F)
1 g/L
Sodium chloride (KL1012F)
5 g/L
Ammonium ferrous sulfate (KL1012F)
0.2 g/L
Sodium thiosulfate (KL1012F)
0.2 g/L
Agar (KL1012F)
12 g/L
Phenol red (KL1012F)
0.025 g/L
Features

Key features

  • 01

    Biochemical identification

    Used for biochemical identification of Salmonella and other Gram-negative Enterobacteriaceae.

  • 02

    Three sugars

    Lactose 10, sucrose 10 and glucose or dextrose 1 g/L.

  • 03

    Slant with deep butt

    Distributed into test tubes and cooled in a slanted position.

  • 04

    ISO reference

    The GF1012F listing cites ISO 6579.

  • 05

    Version-specific preparation

    GF1012F: 64.6 g/L at 121 °C; KL1012F: 63.4 g/L at 115 °C, each for 15 minutes.

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  1. 01

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  2. 02

    Plan

  3. 03

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  4. 04

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  5. 05

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  6. 06

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