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Sulfate Indicator Solution

Procedure of Test
This procedure uses a wavelength of 420 nm and a cell with a light path of approximately 10-mm. First prepare a calibration curve for the photometer using successive dilutions of the sulfate standard to adequately cover the range of sulfate in the samples to be tested.  The dilutions of the standard should be treated in exactly the same manner as that shown below for analysis of the water samples.  Using a 50-ml plastic graduate, add 50 ml of sample to a 125-ml glass flask. …..

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Sulphite (Sulfite) Test Kit indicator TK – 13

Sulphite (Sulfite) Test Kit indicator TK – 13 is a part of  RXSOL-62-5503-001, which changes sample solution to turn red.  This refil pack is very economical and available on 50% discount for our exhisting ustomer.

 

 

 

RXSOL-62-5503-001  is complete set to DETERMINE Sulfite label in feed Water.

Dose of Sulfite  can be controlled by this method :::  Because it readily reacts with oxygen to form sulfate, sulfite is not usually found in natural water systems. In its most common form, …..

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Sulphite (Sulfite) Test Kit indicator TK – 14

Sulfite, Titrimetric Method(0-100ppm)

The test  for sulfite is based on the colour change end point reaction. At the end point reagent combines with the indicator to form a blue color. 

Apparatus Required

Buret, automatic, 25 ml    –  1 ( Sample Tube, Graduated, 25 mL, plastic w/cap and white dot )
Casserole porcelain, 210 ml  –  1
Cylinder, graduated, 50 ml  –  1
Measuring dipper (plastic)  –  1
Stirring rod, glass    –  1 
Chemicals Required

TK – 13 ::: RXSOL-62-5503-002
TK – 14 …..

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Alkalinity Test Kit ( p-m Total )

 

 

NUMBER OF DROPS OF TK9 

 

p-Alkalinity as CaCO3

1

>>>>>>>>>>>>>>>>>>>>>>>>>>

25

2

>>>>>>>>>>>>>>>>>>>>>>>>>>

50

3

>>>>>>>>>>>>>>>>>>>>>>>>>>

75

4

>>>>>>>>>>>>>>>>>>>>>>>>>>

100

5

>>>>>>>>>>>>>>>>>>>>>>>>>>

125

10

>>>>>>>>>>>>>>>>>>>>>>>>>>

250

20

>>>>>>>>>>>>>>…..

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Acidity Test for Boiler – Cooling Water

Limitations of Test

Colored or turbid samples may obscure color change at the end point.  A pH meter may be used as an indicator in these situations with titration to pH 4.3.  The pH meter should be calibrated prior to use by an appropriate standard buffer. Free available chlorine in the sample may bleach the indicator.  This source of interference may be eliminated by treating the sample with one drop of 0.1N sodium thiosulfate. …..

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Acid Base INDICATOR

General  Acid-Base Indicators
 

Indicator
pH Range
Quantity per 10 ml
Acid
Base

Thymol Blue
1.2-2.8
1-2 drops 0.1% soln. in aq.
red
yellow

Pentamethoxy red
1.2-2.3
1 drop 0.1% soln. in 70% alc.
red-violet
colorless

Tropeolin OO
1.3-3.2
1 drop 1% aq. soln.
red
yellow

2,4-Dinitrophenol
2.4-4.0
1-2 drops 0.1% soln. in 50% alc.
colorless
yellow

Methyl yellow
2.9-4.0
1 drop 0.1% soln. in 90% alc.
red
yellow

Methyl orange
3.1-4.4
1 drop 0.1% aq. soln.
red
orange

Bromphenol blue
3.0-4.6…..

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Sewage Test Kit

Rx Marine International  has a unique product for sewage treatment based on liquid and living aerobic Bacteria, especially selected for the unique ability to produce enzymes which are for the degradation of sanitation wastes. This product is called RXSOL Zyme Micro Bio . It is an environmentally superior sanitation treatment and cleaner. It is fully biodegradable . It is non-caustic and non-toxic products which is very suitable to clean the system, mask  odour and prevent clogging of drain sys…..

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Silica Test Kit

 

QUANTITY

CONTENTS

CODE

30 mL

*Silica Test kit #1

*4571-G

15 mL

*Silica Test kit #2

*4467-E

15 mL

*Silica Test kit #3

*4468-E

5 mL

*Reducing Reagent

*6405-C

2

Test Tubes, 5 mL, glass, w/caps

0106

1

Pipet, plain, plastic

0352

1

Pipet, 0.5 mL, plastic

0353

1

Silica Octa-Slide 2 Bar,0.5-10.0 ppm

4465-01

1

O…..

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Starch Acid- Sulfite Indicator Powder

Interferences and precaution of test ::: 
The temperature of the sample must be below 50°C. 
Care must be taken to allow as little contact with air as possible. For example, do not filter the sample. Keep the buret tip below the surface of the sample. 
Other oxidizable substances, such as organic compounds, ferrous iron and sulfide are positive interferences. Sulfide may be removed by adding 0.5 g of zinc acetate and analyzing the supernatant of the settled sample. 
Nitrite gives a negativ…..

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Phosphate Test Kit

REAGENT & APPARATUS:
Reagent:  RXSOL TK 10 , TK 11 (  or TK 12 )  . Apparatus : TEST TUBE , Titrator or DROPPER
PROCEDURE for test ( STEP WISE ):
1. Rinse a clean test tube with water being tested.
2.Fill the sample cup to the 2.5 mL mark with the sample to be tested (fig ).
3.Add 20 drops of RXSOL TK 10 solution Activator Solution. Cap the sample cup and shake it to mix the contents well..
4. Now, holding the bottle vertically, add 5 drops from TK 11 (  or TK 12 )  Test Solution . Note:…..

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Nitrite Test Reagent TK – 5

PROCEDURE for test ( STEP WISE ):

Measure 1 ml of SAMPLE WATER in graduated TEST TUBE / CYLINDER , with the help of syringe / pippet and diluted with Distilled Water up to 10 ml.
Add 1-2 drops of  RXSOL TK5 and mix with the stirring rod , to obtain ORANGE / light reddish  colour. 
Add RXSOL TK6  drop by drop , mixing with the stirring rod until  For endpoint ORANGE to BLUE / GREENISH colour just appears / develop. 
 

Each DROPS is equivalent to 50 PPM of NO2
CALCULATION : 50 X Number of DR…..

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Nitrite Test Kit

Storage Requirements: Kits should be stored in the dark and at room temperature.
Shelf Life: The nitrite Titrets kits have 2-year shelf lives.
Accuracy: Due to the non-linear nature of the test scale, the accuracy of this test varies with the location of the test result on the scale. At twice the minimum concentration for a particular

 

NITRITE IMPORTANCE :

Nitrite, an intermediate in the nitrogen cycle, is formed during the decomposition of organic matter but readily oxidizes to form…..

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Palladium Chloride Passivation Test Kit

Palladium chloride test for active surfaces:
Passive steel does not liberate Hydrogen form Sulphuric acid. Palladium can absorb 900 times its own volume of Hydrogen by Adsorbsion and Occlusion. Hydrogen gas reduces Palladium Chloride PdCl2 easily to form black Palladium metal and Hydrogen Chloride.
H2 + PdCl2 = Pd + 2 HCl
This is the reason that Sulphuric acid or HCl  must be mixed with palladium chloride if the black precipitate of metal must be seen by the naked eye. Passive SS does not l…..

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Passivation reagent 17

RXSOL Solution No. 17  (Passivation Test)

A water solution of:

Name: ACETIC ACID SODIUM SALT CAS#127-09-3 MF: C2H402 Na, 8%/water
ACETIC ACID CAS# 64-19-7 MF: C2H602, 8%/water
TOXICITY HAZARDS
RTECS # AJ437 50000. ACETIC ACID SODIUM SALT
HEALTH HAZARD DATA
May cause irritation. In case of contact immediately flush eyes with copious amounts of water.
PHYSICAL DATA
Boiling point approximately 100 deg. centigrade, pH 8
FIRE AND EXPLOSION HAZARD DATA
Water solution, not flammable. Dry…..

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Passivity Test Kit for PASSIVATION

Apply 1-2 drops of Reagent RXSOL TK-11 to the surface to be inspected and let it react for at least 1 minute. Absorb the drop with the filter paper (supplied) and add 1 drop of Reagent RXSOL TK-12.
The paper will remain white if the surface is passive or if the piece is Stainless steel 400 Series. If the paper changes colour to pink it means that the surface is not, more or less, passive.  The more pink, the less passive. An intense red colour means that the piece is Carbon steel

 

RXS…..

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Passivation reagent 45

RXSOL Solution No. 45   (Passivation Test)
Name: ACETIC ACID SODIUM SAL T.CAS#I27-09~3 MF: C2H402 Na, 8%/water ACETIC ACID CAS# 64-19-7 MF: C2H602, 8%/water, Contains trace amounts of silver ,less than I %, no hazard.

TOXICITY HAZARDS
RTECS # AJ43750000, ACETIC ACID SODIUM SALT

HEALTH HAZARD DATA
May cause irritation. In case of contact immediately flush eyes with copious amounts of water.

PHYSICAL DATA
Boiling point approximately 100 deg. centigrade, pH 5.5
FIRE AND EXPLOSION HAZAR…..

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