Click items to complete standard operating verification:

PPE Calibrated (Lab Coat + Glasses)
Analytical Weigh Balance Calibrated
Standard Reagent Lot Verified
SOP Batch record prepared in LIMS

INPUT PARAMETERS

SELECT REAGENT CHEMICAL

TARGET SOLUTION VOLUME 250 mL

50 mL 500 mL 1000 mL

TARGET CONCENTRATION 0.10 M

0.01 M 1.00 M 2.00 M

VIRTUAL MIXING BENCH

1000mL 800mL 600mL 400mL 200mL

FORMULATION ANALYSIS

Chemical Formula: NaOH

Molar Mass: 40.00 g/mol

Moles Required: 0.025 mol

MASS TO WEIGH OUT: 1.00 g

⚡ WEIGH OUT 1.00 g OF NaOH & DILUTE TO 250 mL!

📖 STATION DECK MANUAL: MOLARITY MIXER

WHAT IT IS

An interactive formulation workbench for preparing high-precision chemical reagents. It dynamically calculates target moles and exact weight mass for solids, or required stock volume for liquid acids, in real-time.

HOW TO USE

Select your target reagent from the dropdown, then adjust the Volume and Concentration sliders. Note the computed weight mass (or stock volume for acids) on the digital readout panel.

WHY WE USE IT

Solution formulation is the foundation of analytical chemistry. Formulating standards with absolute stoichiometric accuracy prevents Out-of-Specification (OOS) assay deviations and secures GLP compliance.

DILUTION PARAMETERS

STARTING CONCENTRATION (TUBE 0)

VISUAL DYE / COMPOUND COLOR

TEST TUBE ARRAY visualizer

TUBE 1

TUBE 2

TUBE 3

TUBE 4

🔬 CLICK "PERFORM DILUTION CASCADE" TO PIPETTE THE SOLUTIONS!

📖 STATION DECK MANUAL: DILUTION CASCADE

WHAT IT IS

A multi-tube dilution simulator representing a 10-fold (1:10) serial dilution array. It models physical compound diffusion, color fading, and exponential molarity reduction across a cascade rack of four experimental test tubes.

HOW TO USE

Prepare your initial reagent lot in the Molarity tab, switch here, and click "Perform Dilution Cascade". Watch the pipette fill the tubes sequentially. Molarities are tracked in clean scientific exponents.

WHY WE USE IT

Serial dilutions are vital for establishing linear calibration lines in spectrophotometric (UV-Vis) or chromatographic (HPLC) assays. Preparing very low standard levels from a single stock minimizes pipetting error propagation.

TITRATION CONTROL

SELECT TITRANT (IN BURETTE)

SELECT ANALYTE (IN FLASK)

SELECT pH INDICATOR

DROP SIZE 0.50 mL

VIRTUAL TITRATION CURVE

01020304050

💧 pH: 13.00 | Vol Added: 0.0 mL

📖 STATION DECK MANUAL: TITRATION DESK

WHAT IT IS

A strong acid (HCl) and strong base (NaOH) titration desk. It monitors neutralization pH changes, calculating equilibrium ratios to plot a classic sigmoidal neutralization curve in real-time.

HOW TO USE

Choose an organic indicator (Phenolphthalein, Methyl Orange, or Bromothymol Blue). Click "Add Single Drop" or toggle "Auto-Titrate" to drip HCl titrant. Observe the sudden HSL liquid color transition around the equivalence point (pH 7).

WHY WE USE IT

Titration is a core wet chemistry assay used to determine unknown analyte concentrations. Analyzing neutralization curves enables QC labs to verify active ingredient percentages against strict regulatory specifications.

REFERENCE STANDARDS

Place standard weights onto the analytical balance to verify ISO calibrations:

OBSERVED VALUE (g)

ISO 17025 BALANCE SYSTEM

METTLER TOLEDO QC-01 ● STABLE

0.0000 g

⚖️ Standby mode: Place a weight on the scale pan to begin compliance verification assay!

📖 STATION DECK MANUAL: BALANCE CALIBRATION

WHAT IT IS

An ISO/IEC 17025 standard calibration desk modeling high-precision analytical weighing. It simulates realistic scale drift, thermal fluctuations, and stability indicators for weight verification.

HOW TO USE

Select and place reference weights (1g, 5g, or 10g) on the balance pan. Observe the LED screen fluctuations until "● STABLE" is achieved. Enter the observed reading, verify compliance, and log successful checks.

WHY WE USE IT

Daily balance calibration is a critical regulatory requirement under cGMP rules. Micro-deviations in balance calibration propagate massive systematic errors across all subsequent reagent and standard formulations.

REACTION MIXER

CHEMICAL REAGENT A

CHEMICAL REAGENT B

Visual Fume Chamber

🧪

⚠️ Fume Hood Active: Select Reagent A and B and click mix to verify hazard compatibility profiles.

📖 STATION DECK MANUAL: SAFETY MATRIX

WHAT IT IS

An OSHA-aligned hazard compatibility matrix. It simulates the mixing of incompatible laboratory chemicals in a fume hood, dynamically generating OSHA warning placards and safety guidelines.

HOW TO USE

Select two reagent compounds from the mixing console and click "Mix Chemicals". The fume hood visualizes reactions (heat/neutralization, explosive combustions) and displays standard hazard GHS pictograms.

WHY WE USE IT

Maintaining strict storage segregation and compatibility rules is an absolute requirement under OSHA 1910 rules. Proactive hazard checks eliminate fire, explosion, or toxic gas exposure risks in commercial labs.

UV-VIS SCANNER

ABSORBING COMPOUND

CUVETTE PATH LENGTH (l) 1.0 cm

CONCENTRATION (c) 0.50 mM

BEER-LAMBERT CALIBRATION

💡

ABSORBANCE (A):

0.301

📈 Transmittance: 50.0% | Extinction ε: 600

📖 STATION DECK MANUAL: UV-VIS SPEC

WHAT IT IS

A virtual UV-Vis spectrophotometer operating on Beer-Lambert physics. It calculates absorbance and transmittance levels based on path lengths and concentrations, plotting a linear standard curve.

HOW TO USE

Adjust the Cuvette Path Length and Sample Concentration sliders. Watch the optical light beam fade dynamically as transmittance drops, and track the linear Beer-Lambert line plot on the grid canvas.

WHY WE USE IT

Spectrophotometry is a major screening method used to quantify protein, nucleic acid, or active pharmaceutical ingredient concentrations. Establishing clear linear standard bounds guarantees assay robustness.

ALOK DAS LABS

STANDARD OPERATING PROCEDURE
Document No: AD-QC-SOP-084 · Revision: 02

CGMP / GLP REAGENT PREPARATION RECORD

Operator / Analyst: Alok Das

Operation Date: --

Laboratory Location: AD-QC-Bench 01 (Hojai, Assam)

1. Reagent Assay & Formulation Metrics

Parameters	Standard Specification / Value
Formulated Compound	Sodium Hydroxide (NaOH)
Compound Class / Lot	ACS Analytical Grade · Lot #AD-2026-CHMC
Molecular Weight	40.00 g/mol
Target Solution Volume	250 mL
Target Concentration	0.10 M
Theoretical Moles Needed	0.025 mol
Calculated Formulation Mass	1.00 g

2. Dilution Cascade & Exponents Log

Assay ID	Dilution Ratio	Calculated Concentration (M)	Data Integrity Verification Status
Tube 1 (Primary)	1 : 10	1.00 x 10⁻¹ M	VERIFIED (System Calibrated) ✓
Tube 2 (Secondary)	1 : 100	1.00 x 10⁻² M	VERIFIED (System Calibrated) ✓
Tube 3 (Tertiary)	1 : 1000	1.00 x 10⁻³ M	VERIFIED (System Calibrated) ✓
Tube 4 (Quaternary)	1 : 10000	1.00 x 10⁻⁴ M	VERIFIED (System Calibrated) ✓

3. Analytical Balance ISO Calibration Logs

Standard Mass	Expected Tolerance	Observed Reading	Calibration Deviation	ISO 17025 Status
1.0000 g Standard	± 0.0002 g	--	--	PENDING VERIFICATION ✗
5.0000 g Standard	± 0.0002 g	--	--	PENDING VERIFICATION ✗
10.0000 g Standard	± 0.0002 g	--	--	PENDING VERIFICATION ✗

4. Volumetric Titration Assay Standardization Logs

Assay parameters	Analytical Value / Metric
Standardized Titrant (Burette)	--
Analyte Solution (Flask)	--
Selected pH Indicator	--
Equivalence Endpoint Volume	--
Calculated Analyte Concentration	--

5. Good Laboratory Practice Verification Checks

[✓] Analytical weighing balance checked with standard weights prior to formulation.
[✓] Volumetric flask inspected for clean glass parameters and zero meniscus curvature.
[✓] All calculations double-checked via automated algorithms (100% human-error prevention).
[✓] Records maintained in system and logged under cGMP guidelines.

💡 Recruiter Tip: Turn on "Background graphics" in print options to preserve colors, or save directly as a clean PDF!